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The area of a sector of a circle of radius $10$ cm is $\frac{55}{3}$ cm$^2$. The value of central angle is
- (a)$\frac{21^\circ}{2}$
- (b)$42^\circ$
- (c)$105^\circ$
- (d)$21^\circ$
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Sol. (D) $21^\circ$
The area of a sector of a circle of radius 10 cm is 55/3 cm 2 . The value of central angle is
CBSE Class 10 Maths PYQ · Areas Related to Circles · Sector Area · 1 Mark · March 2026 · Standard
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