Question

plz plz plz answer correctly its urgent tomorrow is my mathematics exam.

Answer 1

Area of the shaded part ===

Area of square - {4×area of semicircle+ inscribed area of square)

1st part

***Area of square = 14×14 =196 sqcm
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【as sum of diameter of two square =14-6=8cm
(-)(-)___ -- = 8】

【so radius of each circle is 4/2= 2cm
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2nd part

***area of semi circle= πr^2/2 = 3.14 ×2×2/2 =6.28
(radius =4)
***area of 4 semi circles =4×6.28= 25.12sqcm
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3rd part
side of inscribed square = sum of radius of two circles 【 2 -)(-2 】= 2+2=4 cm

area of inscribed square = 4×4=16

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final part

Area of shaded region = 196-( 25.12+16)

A=. 196- 41.12

A= 154.88
$area \: of \: shaded \: region = \\ 154.88sqcm$
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