Question

Please answer this question:

Answer 1

Answer:

Step-by-step explanation:

Area of shaded region is =

area of square- 4×areas of quadratic circle

Area of square=a²(a=7.8)

Area of quadratic circle is 1/4πr²(r=7.8/2=78/20=3.9)

Area of shaded region is=(7.8)²-4×1/4(22/7)(3.9)²

60.84-22/7(15.21)

=60.84-22(15.21)/7

=60.84-[334.62/7]

=60.84-47.80

=13.04

Therefore the area of shaded region is 13.04cm²

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