303 Answered Questions for the topic triangles

Triangles

04/30/17

Prove it isosceles
If the angular bisector of an triangle bisects the opposite side, prove that the other two sides are equal.
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04/26/17

Advanced trig problem I'm having an issue with.
Ok so on a math work sheet we had a problem where there was two side lengths of a triangle, 63 and 91. The third side was only described as being traveled across by a plane with an average of... more
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04/23/17

Angles of elevation and Trigonometry
Mount Mayon is an active volcano on the island of Luzon in the Philippines. At an unknown distance from the volcano, the angle of elevation to the peak of the volcano is approximately 26.22◦.... more
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Triangles

04/22/17

anthony is making a sculpture that includes metal triangles that each have side length of 10 in 12 and 20
what is the area of the metal triangle   
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Triangles

04/22/17

(0,0),(1,0),(0,-4) are vertices of which triangle
This is a question from triangles topic 
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04/16/17

Geometry: triangles
A hotel is 789 feet high. A 6ft tall man is standing on the roof and looking down at an island. If he is looking down at an angle of depression of 4 degrees, how far is the island from the hotel?
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04/04/17

The base of a triangle exceeds the height by 8 feet. If the area is 280 square feet, find the length of the base and the height of the triangle.
The base of a triangle exceeds the height by 8 feet. If the area is 280 square feet, find the length of the base and the height of the triangle.
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03/27/17

Ship triangle question
a ship is on a bearing 47 degrees east of north. a) how far has the ship sailed if it is 185 km north of its original position  b) how Far East of its original position is the ship?
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03/27/17

Equilateral triangle UNIT circle
An equilateral triangle is inscribed in the unit circle. find the exact perimeter of the equilateral triangle.
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Triangles Geometry

03/25/17

In triangle RST, U lies on TS with TU:US= 2:3. M is the midpoint of RU. TM intersects RS in V. Find the ratio of RV:RS.
The answer is 2:7
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02/26/17

Determining if a triangle is a right triangle with given vertices
Given are the vertices (corners) of triangles. Use the distance formulas to determine if each triangle is a right triangle. a. (-2,5), (0, -1), (12, 3)b. (2, 3), (-2, -3), (-6, 1)c. (-3, -2), (5,... more
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Triangles

02/23/17

Arkansas has a shape that is similar to a trapezoid with bases of about 182 miles and 267 miles and a height of about 254 miles estimate the area of the state
Arkansas has a shape that is similar to a trapezoid with bases of about 182 miles and 267 miles and a height of about 254 miles estimate the area of the state
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Triangles Angle Meters

02/19/17

How far away is Lori from the hiker? - Show Work
From the top of a 35 meter cliff, Lori spots a hiker at an angle of depression of 62 degrres. How far away is Lori from the hiker? 
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Triangles Miles

02/19/17

Approximately how high is that peak? - Show Work Please
You are driving along a flat road approaching some mountains. As you pass a sign that informs you that the mountain is 4 miles away, the angle of elevation to the highest peak you can see is 32... more
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Triangles

02/15/17

The perimeter of the triangle below is a 57 unit. Find the value of y
Geometry 
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Triangles

02/10/17

Find the length of the hypotenuse of a larger triangle.
Two right triangles are similar. The legs of the smaller triangle have lengths of 3 and 4. The scale factor is 1:3. Find the length of the hypotenuse of the larger triangle.
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01/17/17

What is the measure of the third angle of a triangle if one angle measures x degrees and the second angle measures y degrees?
This is a question on my homework and I don't know how to solve it.
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12/22/16

Vertex distance from the center of a triangle.
I'm working on writing a program to draw a triangle based on whatever input is given to it, and I have run into a snag. Given the angles of the vertices of a triangle, and the length of the longest... more
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12/12/16

Find the orthocenter of a triangle if...
Find the orthocenter of triangle ABC if A=(0,0) B=(4,0) C=(4,2)   I've tried this problem on my own several times, and being homeschooled I'm a bit short on help. The zeros are throwing me off!
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12/11/16

The base of a triangle is 5cm less than the height. The area is 52cm^2. Find the base and height.
This is to be done by solving equations using the zero product property 
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Triangles Area

12/03/16

Are of triangle but with a base half as long as it's height.
A triangular traffic island has a base half as long as its height. The island has an area of 256m squared. Find the base and height.
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Triangles Geometry

11/16/16

What is the difference between Centroid of a triangle and Incenter of a triangle?
I'm a beginner at triangles and I get confused with incenter and centroid of a triangle because I think they both are different things.
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Triangles Math Help

10/28/16

What's the length of c?
In triangle ABC, a=1, b=4, and angle c=30°. What's the length of c?
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Triangles Math Help Sine

10/21/16

What's the length of KL in inches?
If triangle JKL, sin L=1/3, sin J=3/5, and JK=√5 inches. What's the length of KL in inches?
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10/21/16

What's the value of tan K?
In triangle XYZ, the measure of angle Y is 90°, YZ=12, and XZ=15. Triangle HJK is similar to triangle XYZ, where vertices X, Y, and Z, respectively, and each side of triangle HJK is 1/5 the length... more
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