116 Answered Questions for the topic Triangle

3d

In a triangle angle A measure 42 degrees, side a is 6 in and side c is 9 units. What are the possible measurements for angle B?
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01/31/21

I need to find all measurements of a triangular prism with the volume of 2000cm^3. Also if I were to make the prism standing up where would the height, a, c, b and length be?
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01/14/21

Calculus question
I've tried searching the method but i cant find a clear explanationThe vertices of a triangle ΔABC are A( p,q) , B(r, s) ,C(u, v) . Assume that thesecoordinates satisfy2p + 3r + 4u = 02q + 3s +4v =... more
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01/06/21

The perimeter big a triangle is 43 cm. The largest side is 4 times the smallest side. The other side is 8 more than twice the smallest side. What is the length of the smallest side?
This is my question from 10th grade I'm really confused about it I hope anyone can help me with this please. Thank you!
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Triangle Math

12/17/20

In Triangle ABC, the measure of angle A is half the measure of angle B, which is 40 degrees more twice the measure of angle C. Find the measures of the three angle of this triangle.
Can someone explain how to get the equation needed to solve the problem? Thanks in advance.
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10/13/20

Trigonometry Problem about the Area of a triangle (given one side and two angles)
Find the area of (triangle) TRI if TR=10cm, m∠T=105°and m∠R=30°
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Triangle Math Algebra Traingle

10/01/20

Find X given two angles on a traingle
Find X. I need help with this problem. Please!!!!!! I need an answer very soon. Thanks!
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05/25/20

Triangle and degree problem please help

What did the hypseone of the triangleee
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05/25/20

Right triangle problem
In da triangleeee there are three sides
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05/13/20

Find the length of a leg of an isosceles right triangle whose hypotenuse has a length of 8√2.
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Triangle Math Trigonometry

04/23/20

Area of Equilateral Triangle
Hi ado you solve triangles
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04/21/20

Solve for Sin 0 please

How do I solve for sin pls help thandks
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04/20/20

Equilateral Triangle Area
The height of an equilateral triangle is 98 ft how do I solve
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Triangle Acute

02/03/20

An acute triangle has sides of length of 6,7, and x, Solve for X
I got two answers: the square root of 13 is less than x and x is less than square root of 85 for the first The second one is that 1 is less than x and x is less than 13. Which one is correct?
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Triangle

01/16/20

triangle leng th s

a triangle has one side that measures 3 feet and another side that measures 27 inches. which are possibles side lengths of the third side. a. 14 in b. 6 in c. 53 in d. 68 in
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10/11/19

Which rotation will carry a regular octagon onto itself?
A. 60 counterclockwise rotation B. 90 counterclockwise rotationC. 120 counterclockwise rotationD. 200 counterclockwise rotation
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08/29/19

find the perimeter of triangle XYZ if X= (0,2) Y=(3,-2) Z=(-1,-2)
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05/16/19

Plz plz plz help I'm confused
Two right triangles are similar. The base of the larger triangle is 4 times the size of the base of the smaller triangle. The height of the larger triangle is 16cm. The area of the smaller triangle... more
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03/23/19

Where does the $-2ab$ term come from in the cosine law?
I understand that in the cosine rule i.e. $c^2 = a^2 + b^2 - 2ab \\cos C$, the cosine function acts to bring down the value of $c^2$ for acute angles ($\\cos C>0$, $-2ab\\cos C<0$ ) and... more
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03/21/19

In a 30-60 right triangle the side opposite the 30 degree angle is half the length of the hypotenuse. Why?
> In a 30-60 right triangle the side opposite the 30 degree angle is half the length of the hypotenuse. A statement from the trigonometry section of Simmons' *Precalculus in a nutshell*. Please... more
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03/19/19

How to find area of triangle from its medians?
The length of three medians of a triangle are $9$,$12$ and $15$cm.The area (in sq. cm) of the triangle is a) $48$ b) $144$ c) $24$ d) $72$ I don't want whole solution just give me the hint how... more
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03/19/19

Does a triangle always have a point where each side subtends equal 120° angles?
Is there a point $O$ inside a triangle $\ riangle ABC$ (any triangle) such that the angle $\\angle{AOB} = \\angle{BOC} = \\angle{AOC}$? What do we call this point?
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03/19/19

Proving that the sum of any two sides of the triangle is greater than the third side?
I know it's easy to prove with the help of linear inequalities, but this time I want to prove it with the help of trigonometry. Is it possible? If yes, then how?
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03/13/19

Can a non-equilateral triangle with integer sides and integer angles (in degrees) exist?
I'm wondering if a triangle with integer sides and integer angles in degrees exists, which is not equilateral. Could someone come up with a proof for why or why not? *Edit:* Please do not answer... more
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Triangle Geometry

03/08/19

two sides of a triangle are the same and the third side is 10 inches larger
the perimeter of the triangle is 38 inches. two sides of the triangle have the same measure and the third side is 10 greater than the measure of the other two sides. what is the measure of all... more
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