The formula for the surface area of a rectangular prism with a square base is sa=2s2+4sh. what is the surface area of this rectangular prism if s=3 and h=5?

answer:

the surface area is 78 unit square.

step-by-step explanation:

given : the surface area for a rectangular prism with a square base is sa=2s^2+4sh.

to find : what is the surface area if s=3 and h=5?

solution :

the surface area for a rectangular prism with a square base is sa=2s^2+4sh

substitute, s=3 and h=5

sa=2(3)^2+4(3)(5)

sa=2\times 9+4\times 15

sa=18+60

sa=78

therefore, the surface area is 78 unit square.

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step-by-step explanation:

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1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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