The base of a triangle is 18 inches longer than twice the length of its altitude, x. Write a polynomial that represents the area of the triangle?
word problem
word problem
1 Answer
Oct 19, 2017
Explanation:
From above information.
Let the altitude of the triangle be
We know that the base is twice this plus 18.
So base length is:
Area of a triangle is
So:
Expanding this: