Question

a right circular cone is 5.4 cm high and radius of its base is 2 cm . it is melted and recast into another right circular cone with radius of base as 1.5 cm. find the height of new cone formed?

Answer 1

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Answer 2

Answer:

the volume of first cone = volume of the second cone

\frac{1}{3} \times \pi {r}^{2} h = \frac{1}{3} \times \pi {r}^{2} h

3

1

×πr

2

h=

3

1

×πr

2

h

{2}^{2} \times 5.4 = {1.5}^{2} h2

2

×5.4=1.5

2

h

The answer is 9.6 cm I hope it helps you and mark me as a brainlist