Question

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Answer 1

Step-by-step explanation:

Firstly,

Area of square= S^{2}

4^{2} =16cm^{2}

Now, Area of a quadrant = $\pi$r^{2} / 4 [4th piece of a circle]

= $\pi$ x 1^{2} /4

So, Area of 4 quadrants = 4{$\pi$ /4]

= $\pi$cm

Also, Area of circle at center = $\pi$r^{2}

= $\pi$ x 1 = $\pi$cm

Area of shaded region = Area of square - (area of quadrants + area of circle)

= 16- 2 $\pi$

= (112-44)/7

= 68/7 = 9.7cm^{2}

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Answer 2

Answer:

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