Regular prism

The regular four-sided prism has a base of 25 cm2 and a surface of 210 cm2. Find its volume.

Correct result:

V =  200 cm2

Solution:

S1=25 cm2 S=210 cm2  a=S1=25=5 cm  S=2 S1+4av  v=(S2 S1)/(4 a)=(2102 25)/(4 5)=8 cm  V=S1 v=25 8=200 cm2



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