Discovering Mathematics Book 8>Chapter 17 - Volume and Surface Area>REVISION EXERCISE>Q 6

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8th CBSE

IMPORTANT

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A sharpened pencil is like a cone at the sharpened end. The sharpened slant height is $0.5 cm$ . The length of the conical part of the pencil is $0.4 cm$ . If the diameter of the pencil is $d cm$ , then find the value of $d$ .

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Important Questions on Volume and Surface Area

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8th CBSE

IMPORTANT

Discovering Mathematics Book 8>Chapter 17 - Volume and Surface Area>REVISION EXERCISE>Q 7

A conical structure has its diameter

24 m

and height

5 m

. If its lateral surface area is

S m^{2}

, then find the value of

S

.

MEDIUM

8th CBSE

IMPORTANT

Discovering Mathematics Book 8>Chapter 17 - Volume and Surface Area>REVISION EXERCISE>Q 8

Find the volume and total surface area of sphere given.

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8th CBSE

IMPORTANT

Discovering Mathematics Book 8>Chapter 17 - Volume and Surface Area>REVISION EXERCISE>Q 9

A cup in the form of a hemisphere has a capacity $718 \frac{2}{3}$ cubic cm. If its radius is $r cm$ , then find the value of $r$ .