find the area of the shaded portion in the
following figures.
please help me
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Answer:
95.087cm^2
Step-by-step explanation:
diameter = 12cm
radius=12/2=6cm
area=3.14*6*6=113.04cm^2
side of square=2cm
area=2*2=4cm^2
base=3cm, height=5cm
area=1/2*3*5=7.5cm^2
dia of semicircle=2.5cm
radius=1.25cm
area=(3.14*1.25*1.25)/2=2.453cm^2
area of shaded part=
area of circle - {2 (area of squares)+ area of triangle +area of semicircle}
=113.04-(8+7.5+2.453)
=95.087cm^2
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