Question

What is the area of the envelope (including the stamp area)

Answer 1

184

Explanation:

9x16 = 144

16 x 1/2 x 5 = 40

40+144= 184

(sorry I didn't include the units)

Answer 2

A= 16x9= 144 in2
A= 8 x 5 / 2 (2) = 40 in 2
Total área pf the envelope 184in2