BRAINLIST QUESTIONS
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Hello...
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parthverma123:
Plz mark as brainliest.....
Yours second sol. is wrong as u have take radius but u had taken diameter.
Ohh.. am sry... I'll correct it
BTW, thanks
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In fig.1
Area of shahed portion ,
=Area of rectangle - Area of semi circle
=L×B - (πr^2)/2
=14×10 - (3.14×7^2)/2
=140-153.86/2
=140 - 76.93
= 63.07cm^2
In fig.2
Area of shaded portion,
=Area of ring
=π(R^2 - r^2)
=3.14(25-16)
=3.14×9
=28.26cm^2
In fig.3
Area of shaded portion,
=Area of square - Area of circle
=side^2 - πr^2
=5^2 - 3.14×(2.5)^2
=25 - 19.63
=5.37cm^2
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