# Algebra Honors

posted by .

The length of the base of a triangle is 4 times its altitude. If the area the triangle is 162 cm2, find the altitude.

• Algebra Honors -

area=1/2 b*h and the second equation is
B=4h

so
area=1/2 4h*h
solve for h, then solve for b.

## Similar Questions

1. ### College Algebra

Goemetry Find the area of a triangle whose altitude is 7 ft & whose base is 22 ft. Complete each sentence. Can anyone help me.... Isn't the area of a triangle 1/2 the base times the altitude?
2. ### math

triangle ABC has vertices A(3,4), B(4,-3) and C(-4,-1). a. draw a sketch of the triangle b. draw the altitude from vertex A c. find the slope of side BC which is =-1/4 d. find the slope of the altitude from A which is 4 e. find the …
3. ### math

the length of the base of a triangle is 4 times its altitude. if the area of a triangles is 162cm2 find the altitude
4. ### CAL

The altitude of a triangle is increasing at a rate of 2500 centimeters/minute while the area of the triangle is increasing at a rate of 4000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude …
5. ### CAL

The altitude of a triangle is increasing at a rate of 2500 centimeters/minute while the area of the triangle is increasing at a rate of 4000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude …
6. ### Math

The altitude of a triangle is increasing at a rate of 2500 centimeters/minute while the area of the triangle is increasing at a rate of 4500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude …
7. ### math

an altitude of triangle is 5/3rd of the length of its corresponding base if their altitude be increased by 4cm and the base is decreased by 2cm, the area of the triangles remain the same. find the base and altitude of triangle ?
8. ### math

The base of triangle ABC is one half the altitude. The altitude of triangle DEF is one half its base. If both triangles are equal in area, what is the ratio of the altitude of triangle ABC to the altitude of triangle DEF?
9. ### Maths (quadratic equation) need help

The altitude of a triangle is 3 less than twice its base.The area of the triangle is 10m^2. Find the altitude and base of the triangle.