Questions on Geometry: Triangles answered by real tutors!

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Question 840313: when trying to find the area of a triangle and the base being a radical, how would you multiply with the radical ?

Click here to see answer by Alan3354(69443)

Question 840360: If the area of the smaller triangle is 12 feet squared, what is the area of the larger triangle?

Click here to see answer by Alan3354(69443)

Question 840427: If a triangle has sides measuring 7 cm, 12 cm and 9 cm then what is the area of the triangle?
Click here to see answer by Alan3354(69443)

Question 840537: NAME THE LONGEST ANGLE AND THE SMALLEST ANGLE IN THE FF.
In triangle ABC, Ab=12, AC=16, BC=9
Thank you :)

Click here to see answer by jim_thompson5910(35256)

Question 840537: NAME THE LONGEST ANGLE AND THE SMALLEST ANGLE IN THE FF.
In triangle ABC, Ab=12, AC=16, BC=9
Thank you :)

Click here to see answer by thejackal(72)

Question 840467: an equilateral triangle 3 inch side.In that how many traingle of 1 inch can be drawn?
Click here to see answer by jim_thompson5910(35256)

Question 840779: Classify the triangle formed by the side lengths as right, acute, obtuse.
4,5,6
Click here to see answer by MathLover1(20849)

Question 840895: An equilateral triangle has 2 sides that are each 4 inches long. What is the length of the third side ? How do find this?
Click here to see answer by KMST(5328)

Question 841098: What is the area in square units of an isosceles triangle with a base that is 8 units long and side lengths 5 units long?
Click here to see answer by Fombitz(32388)

Question 841098: What is the area in square units of an isosceles triangle with a base that is 8 units long and side lengths 5 units long?
Click here to see answer by ewatrrr(24785)

Question 840718: which are measurments of the sides of a right triangle ?

A. 202,198,40
B. 17,14,6
C 28,26,12
Click here to see answer by Fombitz(32388)

Question 841172: find the lengths of each side of the right triangle
short leg is 2x+1
long leg is 11x+5
hypotenuse is 12x+1
I know that first you're suppose to write the problem out like this
(12x+1)^2=(2x+1)^2+(11x+5)^2
but after this I got lost
please help and break it down as much as possible
please and thank you :D
Click here to see answer by jim_thompson5910(35256)

Question 841254: A triangle that has angles that measure 102, 31, and 47. What kind of triangle is it
Click here to see answer by Edwin McCravy(20054)

Question 841326: the hypotenuse of right triangle is 1m less than twice the shortest side,if the side is 1m more than the shortest side. find the side of a triangle?
Click here to see answer by hamsanash1981@gmail.com(151)

Question 841258: how do you find the area of a triangle with the base of 8 and the height of 4 times the square root of three over 3
Click here to see answer by Fombitz(32388)

Question 840357: If a triangle has an area of 120 inches and its base measures 20 inches, what is its height?
Click here to see answer by hamsanash1981@gmail.com(151)

Question 841323: If area of triangle is 2√2 unit.then least value of s (semi perimeter) is.........

Click here to see answer by richard1234(7193)

Question 841451: The length of the hypotenuse of a 30-60-90 triangle is 16. What is the perimeter? 64 + 8 sqrt 3, 24 + 8 sqrt 3, 16 + 64 sqrt 3, 8 + 24 sqrt 3
Click here to see answer by stanbon(75887)

Question 841647: A home has a triangle backyard. The second angle is 4 more than the first angle. The 3rd angle is 21 more than 3 times the first angle. What are the three angles?
Click here to see answer by richwmiller(17219)

Question 841681: If you had two sides that were 3feet long, and they connected at a 180 degree angle, how long would the third side be
Click here to see answer by Alan3354(69443)

Question 841753: A triangle has a perimeter of 21cm. What are its dimensions if the length of the second side is 1cm more than the length of the first and the third side is twice as long as the first. I'm confused. Can you please help me with this question? thanks
SOLUTION
Let the 1st side b x,
2nd side =x+1
3rd side =2x
x+x+1+2x=21
4x+1=21,4x=20,x=20/4
x=5.
Therefore sides are:
5,6 and 10.
Click here to see answer by Duruiyke125(2)

Question 841764: A garden in the form of a right triangle has an area of 72 sq. meters. If the two sides comprising the right angles are equal, what would be the length of these sides?
Click here to see answer by richwmiller(17219)

Question 841963: The hypotenuse of a right triangle has a length of 20 cm. the sum of the lengths of the other two sides is 28 cm. find the length of the longer of the two sides of the triangle?
Click here to see answer by richwmiller(17219)

Question 842245: The measures of the legs of a right triangle are 6 centimeters and 9 centimeters. In square centimeters, what is the area of the triangle

Click here to see answer by ewatrrr(24785)

Question 842292: Triangle ABC similar to Triangle DEF
The area of Triangle ABC is 6m^2
The area of Triangle DEF is 24m^2
AC = 3
What is DE in meters?
Click here to see answer by richard1234(7193)

Question 842291: I'm trying to help my 3rd grader with math homework.
If the area of the triangle is 16 square units, what is the base and height?
I've tried a couple of times, but I get hung up.
16=b*h/2
32=b*h
this is where I get stuck.
Click here to see answer by richard1234(7193)

Question 842525: how do you find the unknown Hypotenuse side in a triangle when the opposite is 6cm and the adjacent is 3cm
Click here to see answer by TheInstructor(29)

Question 842722: A 24-foot-tall pole stands next to the highway. A 25-foot-long support wire stretches from the top of the pole to the ground . How far away from the base of the pole does the wire meet the ground
Click here to see answer by richwmiller(17219)

Question 842635: Hello, please help me with my homework:
In an equilateral triangle, take a point inside of it and draw the altitudes from this point to the bases of the triangle. Name this altitudes with these letters x, y, z and prove that x+ y+ z=h , where h- is the altitude of the triangle.
Thank you!
Click here to see answer by richard1234(7193)

Question 842720:
Click here to see answer by Alan3354(69443)

Question 843062: find the sum when N=20 ,A=2 and D=5 for S=N/2(2a+(N-1)d
Click here to see answer by ewatrrr(24785)

Question 843155: The sides of a triangle measure 7,8, and 12. Which type of triangle is it.
Click here to see answer by ewatrrr(24785)

Question 843173: The hypotenuse of a right triangle is 30 feet. One leg is 12 less than twice the other leg. Find the dimension of the triangle.
So I have 30ft as the hypotenuse, then 2x-12 for the one leg, and x for the third. Where do I go from here? It has been a year since I took geometry.
Click here to see answer by ewatrrr(24785)

Question 843220: When solving for x in the figure above, Ryan divided 9 by /. Explain why Ryan needed to do one more step before he was finished solving for x
Click here to see answer by Fombitz(32388)

Question 843293: Which set of numbers can represent the lengths of the sides of a triangle?
1.) {3,5,7}
2.) {1,2,3}
3.) {3,9,14}
4.) {4,4,8}
Click here to see answer by richard1234(7193)

Question 843471: find the altitude of a triangle if its base has length 10 and the triangle is equal in are to a parallelogram whose base and altitude have lengths 15 and 8
Click here to see answer by Cromlix(4381)

Question 843498: a side of one of two similar triangles is four times as long as the corresponding side of the other. If the area of the larger triangle is 12 cm^2, what is the area of the smaller triangle
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Question 843443: Please help me to find the answer. Find the length of a side of an equilateral triangle whose altitude is 3 feet shorter than a side.
Click here to see answer by LinnW(1048)

Question 843636: A triangle has an area of 64 yd
and a base of 8, what is the height of the triangle?
Click here to see answer by richard1234(7193)

Question 843716: So I have this problem with listing the triangles sides from largest to smallest because the problem only gives the angles. Do you have a method that will help me figure this problem out?
Angle A on the top vertices of the triangle: 86 degrees
Angle Y on the left vertices of the triangle: 51 degrees
Angles G on the right vertices of the triangle: 43 degrees
Click here to see answer by richard1234(7193)

Question 843926: If the area of a triangle is 15 cm sqaured, and the base is 2 cm, then what is the height?
Click here to see answer by finly36(7)

Question 843944: One of the exterior angles of an isosceles triangle is 30. How big are the other two?
Click here to see answer by Alan3354(69443)

Question 844055: find the measure of each side of isosceles ABC with AB=BC if AB=4y, BC=3y+2, and AC=3y
Find the measure of each side of ABC with vertices A(-1,5),B(6,1), and C(2,-6).
Classify the triangle.

Click here to see answer by ewatrrr(24785)

Question 844092: A triangle has an height of 14m and a base of 25m. What is the cost to make such a triangle out of 12 gauge sheet metal that cost $4 per m^2.
please help I tried working it out but I can not arrive at the answer of $700. I already set up the problem A=1/2(25)(14)
Click here to see answer by josgarithmetic(39613)

Question 843979: The number of scalene triangles having sides with integer lengths and perimeter less than 19 is:
a)17, b)18, c)19, d)20, e)21
I have tried this over and over but the most that I can get is 12.
2,3,4
2,4,5
2,5,6
2,6,7
2,7,8
3,4,5
3,4,6
3,5,6
3,5,7
3,6,7
3,6,8
3,7,8
I know that any 2 sides must have a sum greater than the 3rd side.
Click here to see answer by KMST(5328)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690