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kobusy [5.1K]
3 years ago
8

Can I get some help plzzz. Also plz give steps

Mathematics
2 answers:
vovangra [49]3 years ago
8 0
R=2.9cm………………………………………
Rus_ich [418]3 years ago
3 0

Answer:

r=2.9 cm

Step-by-step explanation:

Given:

volume=486π cm^3

height=18 cm

volume of a cone=πr^2h

486=π*r^2*18

486=18π*r^2

486/18=πr^2

27/π=r^2

27/3.14=r

8.5987=r^2

\sqrt{8.5987 =r

2.9323 =r

2.9=r(after converting to nearest tenth)

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