Question:Find the area of a circle of radius 7 cm. Take `pi` to be `22/7` .
Answer A = `pi r^2` = `22/7 xx (7)^2 cm^2` = 22 `xx 7 cm^2` = 154 `cm^2`
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Find the area of a circle of radius 7 cm. Take `pi` to be `22/7` .