CBSE Class 7 Answered
the circumfrencerof a circle is 1256 cm .find the radius and the area of circle (take pie =22/7
Asked by preethumpal988 | 11 Jan, 2022, 10:15: AM
Circumference = 1256 cm
![2 πr equals 1256
rightwards double arrow 2 cross times 22 over 7 cross times straight r equals 1256
rightwards double arrow straight r equals 628 over straight pi equals 199.8181
Area space of space circle space equals space πr squared equals straight pi open parentheses 628 over straight pi close parentheses squared equals fraction numerator 628 cross times 628 cross times 7 over denominator 22 end fraction equals 125485.81 space cm squared](https://images.topperlearning.com/topper/tinymce/cache/c77832fed765a26e9f4a560b21e7692d.png)
Answered by Renu Varma | 11 Jan, 2022, 11:08: AM
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