3 years ago

Hep me 15pts surface area of a prism.

Mathematics

1 answer:

ella [17]3 years ago

6 0

Answer:

A=360in^2

Step-by-step explanation:

there are 5 faces, 2 triangular, 3 rectangular

Triangular:

A=(9 * 10)/2=45

Since there are 2 of them the total is 90 in^2 for the triangles

Rectangular:

A=10*9=90

Since there are 3 the total is 270in^2

Total surface area is A=270+90=360in^2

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