# The circumference of the base of 12 m high wooden solid cone is 66m, find its volume. IS ITS ANSWER IS 1386 cubic metre

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2πr = 66

=>

= 1/3πr²h

= 1/3 × 22/7 × (10.5)² × 12

=

Circumference =66m

r=66/2TT

33/TT

33×7/22=10.5

VOLUME =1/3×TT×r×r×h

1/3×22/7×10.5×10.5×1002

=1386msq

r=66/2TT

33/TT

33×7/22=10.5

VOLUME =1/3×TT×r×r×h

1/3×22/7×10.5×10.5×1002

=1386msq