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What is the surface area of the rectangular pyramid below?

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A. 675 units²

Step-by-step explanation:

The formula for the surface area of a square pyramid is ...

A = s(s +2h)

where s is the side length of the base, and h is the slant height of a face.

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use the formula

The given pyramid has s=15 and h=15, so the surface area is ...

A = (15)(15 +2×15) = 15(45) = 675 . . . square units
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