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Elena-2011 [213]
2 years ago
6

A sphere with a radius of 4.8 centimeters is carved out of a right cone with a base radius of 8 centimeters and a height of 15 c

entimeters. What is the approximate volume of the remaining portion of the cone in terms of ?
Mathematics
2 answers:
Ne4ueva [31]2 years ago
5 0

Answer:

Remaining volume of carved is 542.06 (approx 542) cm³

Step-by-step explanation:

A sphere with a radius of 4.8 cm is carved out of a right cone with base of 8 cm and a height of 15 cm.

We need to find the remaining portion of the cone.

Remaining volume = Volume of cone - Volume of sphere

First we find volume of cone

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

Volume of cone =\frac{1}{3}\times \pi \times 8^2\times 15\approx 1005.31\text{ cm}^3

Now we find volume of sphere

Volume of sphere =\frac{4}{3}\times \pi \times r^3

Volume of sphere =\frac{4}{3}\times \pi \times 4.8^3\approx 463.25\text{ cm}^3

Remaining volume = 1005.31-463.25 = 542.06 cm³

Hence, Remaining volume of carved is 542.06 cm³

emmainna [20.7K]2 years ago
4 0

Volume of the cone = 1/3 pi r^2 h = 1005.31 cm^3

Volume of the sphere = 4/3 pi r^3 = 463.25 cm^3

Volume of remaining portion of the cone = 1005.31 - 463.25

= 542.1 cm^3 to nearest tenth

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