Math, asked by AlfyBiju, 1 year ago

Diameter of a circle is 42 cm.find its area and circumference

Answers

Answered by rmsundaram36

Area is 2*22/7*42/2*42/2=2772cm^2

circumference is 2*22/7*42/2=198cm

neeraj4039: diameter is = 42 cm . ,radius = 21 and so area is 2×22×33 =132 cm 2

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neeraj4039: answer is nor correct

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Answered by rupali8153gmailcom2

$circumference \: of \: circle = \\ 2\pi \: r$
$2 \times \frac{22}{7} \times 21$
$44 \times 3$
$132 {cm}^{2}$
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