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The circumference of the base of a conic...

The circumference of the base of a conical tent is 66 m. If the height of the tent is 36 m, what is the area (in `m^2`) of the canvas used in making the tent? (Take `prod=22/7`)
एक शंक्वाकार तंबू के आधार की परिधि 66 मीटर है | यदि तंबू की ऊंचाई 36 मीटर है, तो उस तिरपाल का क्षेत्रफल ज्ञात करें, जिसका प्रयोग तंबू के निर्माण में किया गया है | (`prod=22/7`)

A

1155

B

1237.5

C

1171.5

D

1254

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