Answer:
40 metre
Step-by-step explanation:
Given:
height =4 meters
area = 20 square meters
Area of a right triangle can be calculated using the expression below
1/2 b × h
Then substitute the given values
Area of a right triangle= 1/2 × 4 × 20
= 40 metre
Hence, the length of the base of a right triangle is 40 metre
