Algebra Honors
posted by Raj .
The length of the base of a triangle is 4 times its altitude. If the area the triangle is 162 cm2, find the altitude.

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.
Respond to this Question
Similar Questions

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? 
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 … 
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 
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 … 
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 … 
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 … 
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 ? 
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? 
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. 
algebra quadratic equations
the altitude of a triangle is 1 cm less than its base, if the area is 105 cm2. what are the lengths of the base and the altitude