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1st question ka answer plzz​

Answer»

Answer:

Circumference is = 39.6 cm

We KNOW circumference = 2 × PI × R

A.T.P

2×22/7 × r = 396/10

r = (396×7)/(10×22×2)

r = 6.3 cm

Therefore ,

AREA = pi × r^2

= 22/7×(6.3)^2

=127.74 sq.cm Ans



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