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Find the volume of the sphere whose diameter is 30 cm. (Use π = 3.14).
Question

Find the volume of the sphere whose diameter is 30 cm. (Use π = 3.14).

A.

15,130 cm³

B.

14,130 cm³

C.

15,230 cm³

D.

14,230 cm³

Correct option is B

Given:

Diameter of sphere = 30 cm

Radius, r = 302\frac{30}{2}​ = 15 cm

Find volume 

Formula Used:

Volume of a sphere = 43πr3 \frac{4}{3}\pi r^{3}​​

Solution:

Volume = 43×3.14×153\frac{4}{3} \times 3.14 \times 15^3​​

43×3.14×3375 \frac{4}{3} \times 3.14 \times 3375​​

4×3.14×11254 \times 3.14 \times 1125​​

14130  cm314130 \ \text{ cm}^3​​

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