Questions on Geometry: Triangles answered by real tutors!

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Question 478269: if the sides of a triangle have lengths of x, 2x+1, and 10, which of the following is a possible value for x?
A. 1
B. 3
C. 6
D. 9
E. 11
Click here to see answer by cleomenius(959)

Question 478269: if the sides of a triangle have lengths of x, 2x+1, and 10, which of the following is a possible value for x?
A. 1
B. 3
C. 6
D. 9
E. 11
Click here to see answer by MathLover1(6648)

Question 478334: i have worked this out, and just want to make sure it is correct.
Find the perimeter, and area of the right triangle with one leg 5cm, and the other leg 12cm.
sqrt(5^2+12^2)=13cm
perimeter=12+5+13=30cm
area=(1/2)5*12=30cm
any suggestons will help.
Click here to see answer by Alan3354(30993)

Question 478552: A triangle has sides of length 5,8,and 10. What is the measure of its largest angle?
Click here to see answer by Alan3354(30993)

Question 478608: the perimeter of equilateral triangle is 72 multiplied by square root of 3, so what is the length?
Click here to see answer by ewatrrr(10682)

Question 478573: Find the perimeter and area of a right triangle if one leg measures 14 mi. and the other leg measures 48 mi. Please show all work step by step please Include correct units with your solution and thank you
Click here to see answer by ankor@dixie-net.com(15664)

Question 478634: One side of a triangle measures 12 inches and another side measures 15 inches. What is a possible measurement of the third side?
Click here to see answer by scott8148(6628)

Question 478876: a triangle has a base b and an altitude a. A second triangle has a base twice the altitude of the first triangle, and an altitude twice the base of the first triangle. what is the area of the second triangle?
Click here to see answer by ewatrrr(10682)

Question 478889: The area of the triangle is 36 square inches. The base is half the height. Find the height and base of the triangle.
Click here to see answer by ewatrrr(10682)

Question 478889: The area of the triangle is 36 square inches. The base is half the height. Find the height and base of the triangle.
Click here to see answer by stanbon(57415)

Question 478882: The area of the triangle is 36 square inches. The base is half the height. Find the height and base of the triangle.
Click here to see answer by cleomenius(959)

Question 479118: if a=√3+1,B=30 degrees, C=45 degrees then c=?
Click here to see answer by Tatiana_Stebko(1326)

Question 479118: if a=√3+1,B=30 degrees, C=45 degrees then c=?
Click here to see answer by lwsshak3(6524)

Question 479228: What is the size of the third angle if the first and the second angle are 63 degrees and 47 degrees?
Click here to see answer by Alan3354(30993)

Question 479220: The sides of a triangle all have integer lengths. two sides have lengths 7 and 10. if the largest and smallest possible perimeters for the triangle are L and S, the value of L +S is ???
Click here to see answer by Alan3354(30993)

Question 4402: need to find what the sides of a equilateral triangle measure on the inside of a six foot circle. and how you came about the answer
Click here to see answer by cleomenius(959)

Question 479327: can a triangle be formed by three segments of lengths of 2 inches, 3 inches, and 6 inches
Click here to see answer by Alan3354(30993)

Question 479370: what is the length of the diagonal of a square with side lengths 7 square root of 2
Click here to see answer by edjones(7569)

Question 479443: what are the ratios of the sides in a 45-45-90 triangle.

Click here to see answer by solver91311(16897)

Question 479535: the hypotenuse of a right triangle is 10 the leg is 8 what is the other leg?

Click here to see answer by jorel1380(2518)

Question 479565: one base of a trapezium is 212mm and height is 400mm what is another base?
Click here to see answer by ccs2011(207)

Question 479556: two sides of an equilateral triangle have lenghts 3x + 1 and -2x+26. which of 21-x or 3x-4 could be the lenght of the third sid
Click here to see answer by robertb(4012)

Question 479621: an isosceles triangle with legs of length 13 units and a base of 5 units is inscribed in a circle. Find the length of the radius of the circle
Click here to see answer by Edwin McCravy(8920)

Question 479678: One leg of a right triangle is 1 foot longer than the other leg. The hypotenuse is 9 feet longer than the shorter leg. Find the length of the sides of the triangle.
Click here to see answer by mananth(12270)

Question 479687: the angle of a triangle in the ratio 2:3:4. what is the smallest angle of triangle

Click here to see answer by mananth(12270)

Question 479751: [6.05] Find the height of a triangle with area of 81 square centimeters and a base of 9 cm.
Click here to see answer by Alan3354(30993)

Question 479920: A slide 4.7 m long makes an angle of 25 degrees with the ground. How far above the ground is the top of the slide?
Click here to see answer by stanbon(57415)

Question 480043: what is the measure if the vertex angle of an isosceles right triangle when one of its base angles has a measure of 60 degree?

Click here to see answer by Theo(3472)

Question 480049: I need some help with this please. This is what the problem says:
The following triangles, Δ ABC and Δ DEF, are congruent.
Find the lengths of all missing sides and measures of all angles for both triangles. Include correct units with each of your answers.
First triangle:
Side AB =
Angle BAC =
Angle ABC =
Second triangle:
Side DF=
Side EF =
Angle DEF =
Angle EFD =
Here are the triangles:
http://www.flickr.com/photos/62474130@N03/6027884423/

Click here to see answer by Tatiana_Stebko(1326)

Question 480239: What is the solution to the equation 3x-10=8?
Click here to see answer by nerdybill(6963)

Question 480261: The legs of a right triangle are 4 units and 7 units long. To the nearest whole number, what is the length of the hypotenuse?
Click here to see answer by Alan3354(30993)

Question 480459: the hypotenuse of a trianle is 25cm and its perpendicular distance is 7cm find the length of its base

Click here to see answer by mathstutor494(95)

Question 480541: For the triangle ABC, A = 18 degrees, and B = 28 degrees. What is the measure of angle C?
Click here to see answer by wilft1(67)

Question 480684: if the measure of two angles of an isosceles triangle are 54 and 65 degress what is the measure of the third angle
Click here to see answer by stanbon(57415)

Question 480826: If a triangle has a base B and the altitude of the triangle is twice the base, then the area of the triangle is?
Click here to see answer by Theo(3472)

Question 480233: Diane draws an obtuse,isosceles triangle with one of the angles measuring 35'. What is the measure of the obtuse angle in her triangle?

Click here to see answer by bucky(2189)

Question 481251: How many feet is in an obtuse triangle that measures 202 x 482 x 562 ?
Click here to see answer by Alan3354(30993)

Question 481349: The length of the sides of a triangle are in the ratio 2:3:7. If the length of the longest side of the triangle is 12cm, what is the perimeter of the triangle?
Click here to see answer by richard1234(5390)

Question 481461: Explain why it is not possible for a triangle to have legs of length 10,12, and 25?
Click here to see answer by Alan3354(30993)

Question 481476: if 5tan0 = 12 and 0 < 0 > 90 use a sketch to help find the value of
sin0
cos0
(sin0+cos0)2
Click here to see answer by Alan3354(30993)

Question 481483: In isosceles ABC, if vertex A is twice the measure of base B, then what must C measure?

Click here to see answer by mathstutor494(95)

Question 481531: have a triangle with 30-60-90 degree angles shorter leg 8.5ft need to find perimeter
Click here to see answer by jim_thompson5910(28598)

Question 481465: use a diagram to calculate tanA
Click here to see answer by richard1234(5390)

Question 481769: Can you draw a triangle with these measurements
4cm,6cm and 11cm
Click here to see answer by stanbon(57415)

Question 481781: find b, if the area of a triangle is 35 and a=5

Click here to see answer by nerdybill(6963)

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