Quadrangular prism

The regular quadrangular prism has a base edge of 7.1 cm and a side edge of 18.2 cm long. Calculate its volume and surface area.

Correct answer:

V =  917.462 cm3
S =  617.7 cm2

Step-by-step explanation:

a=7.1 cm c=18.2 cm  S1=a2=7.12=1005041=50.41 cm2  V=S1 c=50.41 18.2=917.462 cm3
o=4 a=4 7.1=5142=28.4 cm  S=2 S1+o c=2 50.41+28.4 18.2=617.7 cm2

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