Quadrilateral 69834

What is the volume of a regular quadrilateral pyramid? The pyramid height is 30 cm, and the wall height is 50 cm.

Correct answer:

V =  64000 cm3

Step-by-step explanation:

h=30 cm w=50 cm  w2 = h2 + (a/2)2  a=2 w2h2=2 502302=80 cm  S1=a2=802=6400 cm2  V=31 S1 h=31 6400 30=64000 cm3



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