Unit-12 Mensuration

In this unit you will learn rules of measurement of length, area and volume.

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Consider a cylindrical plastic bucket whose internal radius and height are 8 cm. and 0.7 m. respectively. If the bucket is 1 cm. thick, find the volume of plastic used in making it?

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Learning Pundits Content Team

Written on Jun 24, 2019 5:52:19 PM

You may look at the given problem as follows: we have a solid cylinder of radius 9 cm. and height 71 cm. From this we scoop out a cylinder of radius 8 cm. and height 70 cm. The remaining volume is what we want.

Required volume = 22/7 ×9 × 9 × 71 − 22/7 × 8 × 8 × 70 cu.cm. = 3994.57 cu.cm.

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