The area of the biggest circle that can be drawn inside a square of side 21 cm is $(T a k e π = \frac{22}{7})$

344.5

sq cm

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364.5

sq cm

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346.5

sq cm

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366.5

sq cm

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Solution

The correct option is C $346.5$ sq cm
$R a d i u s = \frac{D i a m e t e r}{2} = \frac{s i d e o f s q u a r e}{2}$
$= \frac{21}{2} c m = 10.5 c m$
$∴$ Area of circle = $(\frac{22}{7} \times 10.5 \times 10.5) c m^{2}$
$= 346.5 c m^{2}$

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The area of the biggest circle that can be drawn inside a square of side 21 cm is (Takeπ=227)

The correct option is C 346.5 sq cmRadius=Diameter2=sideofsquare2=212cm=10.5cm∴ Area of circle = (227×10.5×10.5)cm2=346.5cm2

The area of the biggest circle that can be drawn inside a square of side 21 cm is $(T a k e π = \frac{22}{7})$

The correct option is C $346.5$ sq cm
$R a d i u s = \frac{D i a m e t e r}{2} = \frac{s i d e o f s q u a r e}{2}$
$= \frac{21}{2} c m = 10.5 c m$
$∴$ Area of circle = $(\frac{22}{7} \times 10.5 \times 10.5) c m^{2}$
$= 346.5 c m^{2}$