Find the area of the shaded region in each of the following figures
Answers
Answer:
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Step-by-step explanation:
(i) Area of the shaded region
={Area of the square with side21m}−{Area of the circle with diameter21m}
If the diameter of the circle is 21 m
Then the radius of the circle =
5
22
=10.5 m
Area of the shaded region =(21×21)=(
7
22
×
2
21
×
2
21
)m
2
=441−346.5
=94.5m
2
(ii) Area of shaded region ={Area of the square with side21m}−{4×Area of the sector}
=(21−21)−(4×
360
∘
90
∘
×
2
22
×
2
21
×
2
21
)m
2
$
(if diameter is 21m, then radius is
2
21
m)
=(21×21)=(4−
4
1
×
7
22
×
2
21
×
2
21
)
=(441−346.5)m
2
=94.5m
2
Answer:
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Bro, Where is the figure???