Mensuration Practice Test 3

Question : 25 of 40

Marks: +1, -0

How many cubic centimeter of dust is needed to fill a cylindrical jar of 10 cm deep whose radius is 2.1 cm?

Solution:

Volume of a jar =

πr^2h

{22}/7 × 2.1 × 2.1 × 10

= 138.6

cm^3

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