Q. Attempt the following :-
Solve both questions on note book and show
Class 7 Maths
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Answer:
Circumference= 2 x Pi x r
= 2 x 3.14 * 20
= 125.6 cm
Area= pi* r*r
= 22/7 x 7 x 7
= 22 x 7
= 154 cm^2
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the answer is 2,512 is area
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