futureofwwe futureofwwe

30-03-2017
Mathematics

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what is the volume of the cone?

A 147 pi cm^3
B 21 pi cm^3
C 189 pi cm^3
D 42 pi cm^3

what is the volume of the cone A 147 pi cm3 B 21 pi cm3 C 189 pi cm3 D 42 pi cm3 class=

Respuesta :

1999eva 1999eva

30-03-2017

the formula is V=1/3area of base*high
v=1/3*πr^2*h
=1/3*49π*9=49π*3=147πcm^3
a is the correct answer

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