Question

5.3.73 Question Help

Find the area of the triangle.
A triangle has a base of 4 x minus 1 inches and a height of 10 x inches.
10 x10x
left parenthesis 4 x minus 1 right parenthesis(4x−1)
The area of the triangle is nothing
▼
in.
sq in.
cu in.
​(Simplify your​ answer.)

Answer 1

Area of the triangle is 20x(x - 1) sq. in

Explanation:

• Step 1: Find the area of the triangle.

Height = 10x in and Base = 4(x - 1) in

Area = 1/2 × base × height

⇒ Area = 1/2 × 4(x - 1) × 10x

= 20x(x - 1) sq. in