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NCERT Solutions Class 9 Mathematics Solutions for Surface Areas and Volumes - Exercise 13.8 in Chapter 13 - Surface Areas and Volumes

Question 10 Surface Areas and Volumes - Exercise 13.8

A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in \mathbf{m} \mathbf{m}^{3} \mathbf{)}

is needed to fill this capsule? (Assume π = 22/7)

Answer:

Diameter of capsule = 3.5 mm

Radius of capsule, say r = diameter/ 2 = (3.5/2) mm = 1.75 mm

NCERT Mathematics Solutions - Class 9 chapter Surface Areas and Volumes Question 10 Solution image

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