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Byju's Answer
Standard VIII
Mathematics
Length of the Arc
If the radius...
Question
If the radius of the circle is
6
c
m
and the length of an arc is
12
c
m
. Find the area of the sector.
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Solution
Given the radius of Circle
6
c
m
The length of arc is given by
x
360
×
2
π
r
where
x
is angle subtended by an arc at the center of the circle
The length is
12
so
x
360
×
2
×
22
7
×
6
=
12
x
360
×
22
7
=
1
⋯
(
1
)
The area of sector is given by
x
360
×
π
r
2
x
360
×
22
7
×
6
×
6
From
(
1
)
⟹
1
×
6
×
6
=
36
So the area of sector is
36
c
m
2
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Similar questions
Q.
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and length of its arc is
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. Find the area of the sector.
Q.
The area of a sector of a circle of 6 cm radius is 15
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Q.
Find the area of a sector with an arc length of
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Q.
Given :
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=
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s
q
.
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To find :
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Find the area of the sector whose arc length ad radius are
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