1 point
Q16. The area of circular base of a
right circular cone is 78.5 sq. cm . If
its height is 12 cm then its volume is
31.4 cubic cm
3.14 cubic cm
314 cubic cm
none of these
Answers
Answered by
0
Answer:
301.72cm^3
Step-by-step explanation:
base area (a)=78.5sqcm
height(h)=12cm
area =πr^2
78.5 =22/7*r^2
r^2=785*7/(22*10)
r^2=24.97
r=4.9
volume (v)=πr^2*h/3
=22/7*24.97*12/3
=301.72 cm^3
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