Questions on Geometry: Triangles answered by real tutors!

Tutors Answer Your Questions about Triangles (FREE)

Question 260312: i have an isosceles triangle. One angle has 3x and the other angle has (x+50).
How to find the third angle
Click here to see answer by edjones(7569)

Question 260318: If one side of a right triangle is 3 inches and the hypotenuse is 4 inches, how long is the other side of the triangle?
Click here to see answer by drk(1908)

Question 260318: If one side of a right triangle is 3 inches and the hypotenuse is 4 inches, how long is the other side of the triangle?
Click here to see answer by stanbon(57387)

Question 260343: Describe the possible lengths of the third side of the triangle give the lengths of the other two sides: 4 ft, 12 ft.
Click here to see answer by drk(1908)

Question 260343: Describe the possible lengths of the third side of the triangle give the lengths of the other two sides: 4 ft, 12 ft.
Click here to see answer by richwmiller(9143)

Question 260529: Hi I was wondering how do you find the possible values of X of a triangle?
Click here to see answer by drk(1908)

Question 260550: the hypotenuse of a right triangle is 26 cm. the sum of the two other sides is 34 cm. find the lengths of the other two sides of the triangle. how do i solve this ?
Click here to see answer by stanbon(57387)

Question 260543: Ok so for instance if I have a scalene triangle and the longest side is 28 and the second longest side is 21 and the third side is X how do i figure out the possible values of X
Click here to see answer by scott8148(6628)

Question 260595: how to find the third side of a right side triangle if the height is 3in and the width is 4in ?
Click here to see answer by Alan3354(30993)

Question 260595: how to find the third side of a right side triangle if the height is 3in and the width is 4in ?
Click here to see answer by richwmiller(9143)

Question 260588: how do i find the perimeter of the triangle with only one side and one angle?

Click here to see answer by Alan3354(30993)

Question 260586: The equilateral triangle and the rectangle have equal perimeters.
A. Find the value of X.
B. Find the perimeter.
Triangle: x+5
Rectangle: side 1- x Bottom-2x-3
for the triangle i have tried 3x+5 and didnt get the right answer. and the same for the triangle.
Click here to see answer by Fombitz(13828)

Question 260707: What is the best approximation of the perimeter of a right isosceles triangle if its hypotenuse is 12 units long? what is its area?
Click here to see answer by Fombitz(13828)

Question 260707: What is the best approximation of the perimeter of a right isosceles triangle if its hypotenuse is 12 units long? what is its area?
Click here to see answer by drk(1908)

Question 260860: The angles of a triangle measure 2x, 3x + 20, and 5x - 10. Find the measure of each angle and then classify the triangle as acute, right, or obtuse and explain why.
Click here to see answer by Fombitz(13828)

Question 260859: tell whether you can construct a triangle with the given side lengths. a=6 b=5 c=11
Click here to see answer by Fombitz(13828)

Question 260941: A triangle has sides with lengths of 3 and 5 inches. Which of the following could be the perimeter of the triangle?
A) 9 inches
B) 10 inches
C) 12 inches
D) 16 inches
Click here to see answer by drk(1908)

Question 260962: in a triangle abc, angle B is 4 times angle A and angle C is 9degrees less than five times angle A. find the size of the angles.
the size of angle A is?
the size of angle B is?
the size of angle C is?
Click here to see answer by Greenfinch(383)

Question 261011: An iscocles trinagle has a perimeter of 78cm and one side is 28cm. How many different triangles could have a perimeter of 78cm? Give the dimensions of each.
Click here to see answer by Greenfinch(383)

Question 261094: determine the measure of side b, given the following information for triangle ABC
prince: c=59ft A=65degrees B=65degrees
Click here to see answer by Alan3354(30993)

Question 261232: the hypotneuse of a triangle is 26cm. the other two sides equal 34cm. find the two sides PLEASE HELP THANK YOU
Click here to see answer by drk(1908)

Question 261235: 1. Angle A=72 degrees
Side C=14 in.
Side A= ? inches
Click here to see answer by Alan3354(30993)

Question 261416: the area of a triangle is 140 inches squared. If the base and height are both doubled, what is the new area?
Click here to see answer by roseo(33)

Question 261627: If two triangles are similar how do you find the value of the variable
Click here to see answer by richwmiller(9143)

Question 261744: Angle ABC is a right triangle. angle A is a right angle and m < B=25. Find m < C
Click here to see answer by richwmiller(9143)

Question 261958: The perimeter of a triangle is 130 inches. Two sides are the same length. The third side is 20 inches longer then the other two. Find the lenght of the shorter two sides.
Click here to see answer by dabanfield(803)

Question 261985: A rectangle has an area of 12 m2. Find a function that models its perimeter P in terms of the length of one of its sides x.
Click here to see answer by drk(1908)

Question 262002: the first angle of a triangle is half the measure of the 2nd angle. the measure of the 3rd angle is 40 degrees more than 4 times the measure of the 1st. find the measure of each angle
Click here to see answer by solver91311(16897)

Question 262208: In a triangle whose base and height are equal, the base b is given by the formula b=the square root of 2A, where A is the area of the triangle. Estimate to the nearest whole number the base of this triangle if the area is 17 square meters.
b=the square root of 2*17^2
b=2*289
b=578^2
b=24 m
Click here to see answer by drk(1908)

Question 262252: Find the cosine of angle A.
A right triangle is drawn. The acute angles are labeled A and B. The side adjacent angle A is labeled 11. The side opposite angle A is labeled 5. The hypotenuse is labeled 12.08.
2.2
0.9106
0.4545
0.4139
Click here to see answer by Theo(3464)

Question 262079: how do you find the length and width of a triangle using the area? the area is 39 cm and the lenght is 7cm greater than the height.
Click here to see answer by ankor@dixie-net.com(15660)

Question 262333: given the right triangle A with hypotenuse length of x+3 and a leg length x. and the right triangle B with hypotenuse length 3y and a leg length of y+1 for what values of x and y are the triangles congruent by HL?
Click here to see answer by Edwin McCravy(8911)

Question 262467: Part A; What are all quadrilaterals with all sides that are congruent?
Part B; What are all quadrilaterals with all sides that are congruent and have all congruent angles?
Part C; What are all quadrilaterals with only the opposite sides are congruent?
Click here to see answer by Edwin McCravy(8911)

Question 262654: I been working on this problem all night and I am stuck. The book says the answer is 283.4 m, but I dont know how to get it. Thanks for your help
A man runs 300 m north and then 400 m to the southeast (at a 45 degree angle). If he has run at a constant speed, how far away is he from the starting position?
Click here to see answer by edjones(7569)

Question 262529: triangle abc angle a is 3 times angle b and angle c is 8 degrees less than 6 times angle b
Click here to see answer by shiela mae(5)

Question 262759: Using the appropriate formula,find the perimeter,in terms of x,of an equilateral triangle that has 2x on the left side.
Click here to see answer by drk(1908)

Question 262759: Using the appropriate formula,find the perimeter,in terms of x,of an equilateral triangle that has 2x on the left side.
Click here to see answer by unlockmath(1603)

Question 262887: in a triangle ABC, angle b is 5 times angle A and angle C is 4 degrees less than 4 times angle A. what is the size of the angles?
Click here to see answer by dabanfield(803)

Question 262938: 1. If the perimeter of a rectangle is 26 meters, and the area is 30 square meters,
what is the diagonal?
2. A right triangle has area 30 square meters and perimeter 30 meters. What is
its hypotenuse?
I understand how to do #1 (via quadratic equation), but I don't see how to set-up #2, with the triangle perimeter info. The solution must be under my nose, but I just don't see it (as of yet).
Thank you.
Click here to see answer by mananth(12270)

Question 262992: Among all triangles with integer side length and perimeter 20 units, what is
the area of the triangle with the largest area? Express your answer in simplest radical form.

Click here to see answer by CharlesG2(828)

Question 263021: zoning laws in harrington prohibit displaying signs with areas exceeding 12ft2. if flo's marina is ordering a triangular sign withan 8-ft base, how tall can the sign be
Click here to see answer by richwmiller(9143)

Question 263133: Can a right triangle have sides with measures, 30 feet, 50 feet, and 60 feet?
Click here to see answer by dabanfield(803)

Question 263133: Can a right triangle have sides with measures, 30 feet, 50 feet, and 60 feet?
Click here to see answer by drk(1908)

Question 263227: the height of a triangle is twice the base. the area is 9 square inches. find the base.
Click here to see answer by unlockmath(1603)

Question 263303: A lawn is in the shape of a trapezoid with a height of 60 ft and bases of 70ft and 130 ft. How many bags of fertilizer must be purchased to cover the lawn if each bag covers 4000 square feet.
Click here to see answer by mananth(12270)

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