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If a sector of a circle has an area of $40\pi$ sq. units and a central angle of $72^\circ$, the radius of the circle is:
- (a)$200$ units
- (b)$100$ units
- (c)$20$ units
- (d)$10\sqrt{2}$ units
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(D) $10\sqrt{2}$ units
If a sector of a circle has an area of 40π sq. units and a central angle of 72° , the radius of the circle is:
CBSE Class 10 Maths PYQ · Areas Related to Circles · Sector Area · 1 Mark · March 2025 · Standard
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