Perimeter 64974

The prism has a square base with an edge 5 cm long and 20 cm high. Calculate it:
(a) the area of the base
b) the perimeter of the base
c) volume
d) surface

Correct answer:

S1 =  25 cm
o =  20 cm
V =  500 cm3
S =  450 cm2

Step-by-step explanation:

a=5 cm h=20 cm  S1=a2=52=25 cm
o=4 a=4 5=20 cm
V=S1 h=25 20=500 cm3
S2=o h=20 20=400 cm2  S=2 S1+S2=2 25+400=450 cm2

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