The area of a circle of radius 4.9cm is:
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Radius : 4.9 cm.
We'hv,
Area of Circle = πr^2
= 22/7 × 4.9 × 4.9
= 75.39 cm^2.
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area 4.9×22/7×4.9=.7×22×4.9=15.4×4.9=75.46
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