Question

If the circumference of a circular sheet is 88 m, find its radius. Also find

the area of the sheet. ( take =

22

7

)​

Answer 1

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If the circumference of a circular sheet is 88 m , find its $radius$ . Also find the area of the sheet . ( Take $π = \frac{22}{7}$ )

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$\therefore$ Radius of the circle $\longrightarrow$

$\implies$ Circumference of the circle = 88 m

$\implies$ $2 × \frac{22}{7} × r$ = 88

$\implies$ $\frac{44}{7} × r$ = 88

$\implies$ r = 88 × $\frac{7}{44}$

$\implies$ r = 2 × 7

$\implies$ r = 14

$\therefore$ Radius of the circle = 14 m

$\bf{again} \: area\:of\:the\:circle \longrightarrow$

$\implies$ Area of circle

$\implies$ $πr²$

$\implies$ $\frac{22}{7} × 14²$

$\implies$ $\frac{22}{7} × 14 × 14$

$\implies$ $22 × 2 × 14$

$\implies$ $44 × 14$

$\implies$ $616 m²$

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