Respuesta :

Weasleyfan

Answer:

114 sq ft

Step-by-step explanation:

Find out the area of the end triangle;

2x3=6

6x0.5 (1/2) = 12

Find the perimeter of the end triangle;

3+3+3=9

Find the area of the rectangle;

9x10=90

Find the total surface area;

2x12=24

24+90=114 sq ft

Mala388

Answer:

3

Step-by-step explanation:

the surface area is the base

you will know what the base is based on the name

since it's a triangular prism, the base is a triangle

the triangle in the picture is 2 in hight and and 3 on the ground

2 x 3/2

6/2

3

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