math
posted by Alice .
Base of a triangle is 12 inches longer than twice the length of altitude x. Write polynomial area of triangle.

area= b*x
b= 2x+12
area= 2x^2+12x 
Thanks!
Respond to this Question
Similar Questions

math
A rectangle and a triangle have equal areas. The length of the rectangle is 12 inches, and its width is 8 inches. If the base of the triangle is 32 inches, what is the length, in inches, of the altitude drawn to the base? 
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 … 
GeOmEtRy!!!
a triangle has an area of 35 square inches. The base of the triangle is 4 inches less than twice the height. What is the length of the base of the triangle? 
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 ? 
geometry
Each base of an isosceles triangle measures 42 degrees, 30'. The base is 14.6 meters long. a. Find the length of a leg of the triangle b. Find the altitude of the triangle c. What is the area of the triangle? 
college algebra
if the altitude and the base of a triangle are each increased by 4 inches the area of the triangle will be increased by 42 square inches. if the altitude is increased by 3 inches and the base is decreased by 2 inches the area will … 
Math
The altitude of a triangle is 2cm longer than its base. The area of the triangle is 60 cm*2. What are the dimensions of the triangle? 
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. 
math
a rectangle with side of 6 cm and 5 cm has the same area as an isosceles triangle with base length 12 cm find the altitude to the base of the triangle and the sides of the triangle 
Algebra  PLEASE HELP!
Can you PLEASE help me with this problem?