Question

A triangle has an area of 45 square units. Its height is 10 units.

What is the length of its base?

Answer 1

Area= 1/2 × base × height
Height= 2× area×1/base
Height= 2× 45×1/10 = 90/10
= 9
Answer is 9 units

Answer 2

(10 * x)/2= 45
10 * 9= 90
90/2=45
Base = 9