Respuesta :

Chelboy

Answer:82

Step-by-step explanation:

surface area=pxh+2xb

p=perimeter of base

h=height

b=area of base

Perimeter of base=7+7+2+2=18

height=3

area of base=7x2=14

Surface area=18x3+2x14

surface area=54+28

surface area=82