Respuesta :

A= 16x9= 144 in2
A= 8 x 5 / 2 (2) = 40 in 2
Total área pf the envelope 184in2
lexiehsieh09

Answer:

184

Step-by-step explanation:

9x16 = 144

16 x 1/2 x 5 = 40

40+144= 184

(sorry I didn't include the units)