Quadrilateral 41061

A quadrilateral pyramid has a square base 4 cm long, the height of the pyramid 5 cm, and the height of the wall 5.4 cm. Find the surface and volume of a quadrilateral pyramid.

Correct answer:

S =  59.2 cm2
V =  26.6667 cm3

Step-by-step explanation:

a=4 cm h=5 cm s=5.4 cm S1=a s/2=4 5.4/2=554=10.8 cm2  S=a2+4 S1=42+4 10.8=5296=59.2=59.2 cm2   Verifying Solution:  s2=h2+(a/2)2=52+(4/2)2=29 cm5.3852 cm s2=s
V=31 a2 h=31 42 5=380 cm3=26.6667 cm3

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