Questions on Geometry: Triangles answered by real tutors!

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Question 908789: Explain why the hypotenuse must be the longest sixe?
Click here to see answer by jim_thompson5910(35256)

Question 908789: Explain why the hypotenuse must be the longest sixe?
Click here to see answer by stanbon(75887)

Question 908818: A triangle has side with 5 m, 12 m, and 13 m is it a right triangle
Click here to see answer by jim_thompson5910(35256)

Question 908838: The legs of a triangle are 5 and 12 inches. What is the hypotenuse of the triangle?
Click here to see answer by jim_thompson5910(35256)

Question 908857: Determine whether the triangle with the given lengths is a right triangle.
8,16,18(show work please)
Click here to see answer by jim_thompson5910(35256)

Question 908858: The area of a right triangle is 250 in^2. Find the lengths of its legs if one legs is 5 inches longer than the other.
Click here to see answer by josgarithmetic(39613)

Question 908432: If one of the longer sides is 6.3 centimeters, what is the length of the base?
Click here to see answer by Alan3354(69443)

Question 909153: find the length of the shortest leg of a right triangle IF THE LONGER LEG IS 24 meters AND the hypotenuse is 6 more than twice the shortest leg

Click here to see answer by clearblueskai(22)

Question 909066: A circle of radius 3 is inscribed in ΔSPR. If SP = 7 and the altitude from R is 15, what is the sum of
lengths of the other two sides of the triangle?
Click here to see answer by Edwin McCravy(20054)

Question 909160: The perimeter of my isosceles triangle is 68cm and two sides are 2x-1, what is x equivalent to.
Click here to see answer by Alan3354(69443)

Question 909555: The lengths of the sides of a triangle are consecutive odd integers. The perimeter is 39 meters. Find the measure of each side.
Click here to see answer by Alan3354(69443)

Question 909555: The lengths of the sides of a triangle are consecutive odd integers. The perimeter is 39 meters. Find the measure of each side.
Click here to see answer by MathLover1(20849)

Question 909570: A ramp 23 feet in length rises to a loading platform that is 20 feet off the ground. What is the angle of elevation of the ramp in degrees?
Click here to see answer by Alan3354(69443)

Question 909609: the length of the base of an isosceles triangle is one forth the length of one of its legs if the perimeter of the triangle is 16 inches, what is the length of the base?
Click here to see answer by JulietG(1812)

Question 909918: In right triangle ABC, the measure of angle A is 45�. If the hypotenuse of the triangle has length 5, what is the length of segment BC?

Click here to see answer by ewatrrr(24785)

Question 909944: the length of each isosceles triangle is 1 in. less than 3 times the base. find the length of each side the perimeter is 19 inches.
Click here to see answer by ewatrrr(24785)

Question 910410: One side of triangle is half the longest side. The third side is 7 feet less than the longest side. The perimeter is 78. Find all three sides.
Click here to see answer by FaroukHarb(6)

Question 910252: How many triangles can be found from joining the vertices of a hexagon? Can you please provide me with a formula that will help me solve this question.
Regards.
Click here to see answer by rothauserc(4718)

Question 910703: The area of triangle with base'x'unit is equal to area of square with side 'x'unit.then the altitude of the triangle is
Click here to see answer by mananth(16946)

Question 911170: the lengths of the sides of a triangle is extended ratio 4:7:9 the premeter is 60cm. what are the lengths of the sides
Click here to see answer by ewatrrr(24785)

Question 910553: Triangle ABC is congruent to triangle DEF. Can you please help me find the measures of the given angles? I've tried working out the problem, but I believe my answer isn't correct for my answer I had got 13.83. The sides include AC= 7a+ 5, DF= 5a+ 9. To get my answer I did the following:
7a+ 5a+ 14= 180
12a= 166
A= 13.83
Click here to see answer by Fombitz(32388)

Question 911729: How do I calculate the area of a right triange when I only know the length of its hypotenuse? In my problem the hypotenuse is 5.5 Thank you!
Click here to see answer by MathLover1(20849)

Question 911743: Find the area in , of a right triangle that has one acute angle to twice the other, and has a hypotenuse equal to 5 cm.
A) 6
B)
C)
D) 12
E)
Click here to see answer by ichigo449(30)

Question 911939: Angle C = 15 degrees, side BC = 20, angle Z = 15 degrees, and side YZ = 20. What additional information would you need to prove that ∆ABC≅∆XYZ by SAS?
I am so confused.... I don't know how to lay it out because there is no visual aid..
Click here to see answer by Alan3354(69443)

Question 912220: I'm trying to determine whether or not the diagrams contain enough information to reach the given conclusion. Any help is greatly appreciated! Here's the image: http://i.imgur.com/NC5S6m0.jpg
Click here to see answer by jim_thompson5910(35256)

Question 912165: The largest two angles of a triangle are two and three times as large as the smallest angle. Find all three measures.
Click here to see answer by JulietG(1812)

Question 912285: For what values of x would the triangle have a perimeter of at least 72 inches, if the second side is 11 more than the first side and the last side is 5 more than twice the first side? (Express your answer as an inequality)
Click here to see answer by stanbon(75887)

Question 912617: The perimeter of a equilateral triangle with the side length equal to ____ inches is the same as the perimeter of a rectangle with the length of 15 inches and a width of 12 inches
Click here to see answer by jim_thompson5910(35256)

Question 912739: Please help me solve this proof:
Prove that if a line is drawn through the vertex of an isosceles triangle parallel to the base, it bisects the exterior angle at the vertex.
I have drawn the picture as the question states, but am not sure how to prove that the line bisects the exterior angle with steps using a proof.
Click here to see answer by mananth(16946)

Question 912867: find the area of an isosceles right triangle whose one of the equal sides is 10 cm long.
Click here to see answer by ewatrrr(24785)

Question 913068: Find the measure of each side of the triangle JKL
J (9,9) K (12,14) L(14,6)
Would you be able to give me a example so I can solve this on my own?
Click here to see answer by jim_thompson5910(35256)

Question 913306: If the legs of a right triangle have measures of 6 and 8 what is the length of the hypotenus in inches
Click here to see answer by ewatrrr(24785)

Question 913531: Pentagon ABCDE with vertices A(-6,2) B(-4,7) C(0,4) D(0,0) E(-4,-4)
find the perimeter
Click here to see answer by jim_thompson5910(35256)

Question 913730: If the measures of a triangle are in the ratio of 1:2:3 and if the length of the smallest side is 10, what is the length of the longest side?
Thank you so much.
Click here to see answer by rothauserc(4718)

Question 913890: A right triangle has a 71 degrees angle. Find the measure of the other two angles.
Click here to see answer by rfer(16322)

Question 914277: the hypotenuse of a right triangle is 7 inches longer than the base and 14 inches longer than te height the perimeter of the triangle is 84 inches find its area
Click here to see answer by lwsshak3(11628)

Question 914339: If every side of a triangle is double then increase in area of the triangle is
Click here to see answer by dkppathak(439)

Question 914395: What could represent the side lengths of an obtuse triangle?
Click here to see answer by KMST(5328)

Question 914659: Determine range of values for x for triangle with sides 2x, 4x and 3x + 5.
Click here to see answer by MathLover1(20849)

Question 914683: A regular hexagon is inscribed in a circle of radius 327 cm. How long is a side?
Click here to see answer by Alan3354(69443)

Question 914824: The base and height of the triangle are in the ratio 5:3 . If the area of the triangle is 270mm^2; find its base and height.
Click here to see answer by lwsshak3(11628)

Question 914816: the ratio of the two acute angles in a right triangle is 5:13. what is the measure of each angle in the right triangle?
Click here to see answer by lwsshak3(11628)

Question 914839: find the area of a trapezium whose parallel sides are 7CM and 9cm long and whose altitude is 5cm.
Click here to see answer by mananth(16946)

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