Unit-12 Mensuration

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

What is the cost of icing the curved surface of a cone shaped cake of radius 6 cm. and height 8 cm. @ Rs.1 per sq. cm.?

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Learning Pundits Content Team

Written on Jun 24, 2019 5:58:30 PM

the curved surface of the cone = π × 6 × √(82)+(62) cm2 60π cm2. Thus total cost is Rs.(60π × 1) = Rs. 60 x (22/7) = Rs. 188.57.

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