Question

A heap of rice is in the form of a cone of base diameter 24 m and height 3.5 m . Find the volume of the rice . How much canvas cloth os required to just cover the heap​

Answer 1

Answer:

The volume of rice is 528m³ and 3300 m² of cloth is required to cover the canvas

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Answer 2

Answer:

Find the radius

Radius=diameter÷2

radius=24÷2=12m

find the volume of the rice:

volume of a cone=1/3πr^2h

volume of the rice=1/3π(12)^2 (3.5)=528m^3

find the slant height:

a^2+b^2=c^2

3.5^2+12^2=c^2

156.25=c^2

c=√156.25

c=12.5

find the curved surface area:

CSA=πrl

CSA=π(12)(12.5)=471.4m^2

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