Question

5. From cach comer of a square ofst de 4 cm a quadrant of a circle of radius I cams and also a arcle of diameter 2 cm is cut as shown in Fig 12.23 Find the ance of the ing portion of the square

please solve copy​

Answer 1

Step-by-step explanation:

Area of shaded region = Area of square ABCD − Area of 4 quadrants − Area of circle with diameter 2 cm

Area of square =4×4=16cm

2

Area of sector =

360

θ

×π×r

2

Area of 4 quadrants =4×

360

90

×π×1×1

=3.14cm

2

Area of circle=π×r

2

=π×1×1

=3.14cm

2

∴ Area of shaded region =16−6.28 =9.72cm

2

Answer 2

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