(2) If the radius of circle is 7 cm and measure of arc is 90 then find the area
of sector.
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10th
Maths
Areas Related to Circles
Area of Sector and Length of an Arc
If the radius of a circle i...
MATHS
If the radius of a circle is 7 cm and the central angle is 60
∘
, Find the length of the arc.
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ANSWER
Given : The radius of circle is 7cm
The angle is 60
∘
The length of arc =
360
θ
×2πr
length of arc =
360
60
×2×
7
22
×7
length of arc =
6
44
cm
length of arc =7.33 cm
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