Answer:
a is 6 sq ft, b is 15 sq ft
Explanation:
I'm going to call the bottom triangle (the one with 3, and 4 as its side lenght), and the top one, b.
So a is 3 times 4/2=12/2=6 sq ft.
b is 6 times 5/2=30/2=15
21 ft²
A = +
= (5 × 6) ÷ 2 = 15 ft²
= (4 × 3) ÷ 2 = 6 ft²
A = 15 + 6 = 21 ft²
5.6m questions
7.3m answers