Answer:
Step-by-step explanation:
the triangles:
3x4=12
the area of both triangles added is 12in
the bottom of the prism:
4x9.4=37.6
the area of the bottom of the prism is 37.6in
the area of the hypotenuse:
5x9.4=47
the area of the hypotenuse is 47in
the area of the back of the prism:
3x9.4=28.2
the area of the back of the prism is 28.2
add: 12,37.6,47,28.2=124.8in
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