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A circus tent has a radius of 30 m. The ...

A circus tent has a radius of 30 m. The ring at the centre for the performance by artists is 10 m in radius. Find the area left for the audience. Use `pi=3.14`.

Text Solution

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Area left for the audience=Area of tent=Area o ring.
Area left for the audience=`pir_1^2-pir_2^2`
`=3.14*(30)^2-3.14*(10)^2`
`=2512m^2`.
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