What is the surface area of a rectangular prism that is 8 centimeters by 6 centimeters by 24 centimeters?
1 answer:
One formula for the surface area (S) of a prism is
S = 2(LW + H(L+W))
Filling in the given values, you have
S = 2((8 cm)·(6 cm) + (24 cm)·(8 cm + 6 cm))
= 2(48 cm² + (24 cm)·(14 cm))
= 2·384 cm²
= 768 cm²
The surface area is 768 cm².
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