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Maths CBSE Mentoring Hindi
Class 10 Crash course
Areas Related to Circles
Annual Revision III - Area Related to circles
1.
PYQ - Angle subtended by the arc at the centre of the circle
Question:
1
m.
The perimeter of the sector of a circle of radius \(21 \ cm\) which subtends an angle of \(60^\circ\) at the centre of circle, is :
\(22 \ cm\)
\(462 \ cm\)
\(43 \ cm\)
\(64 \ cm\)
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