21
If a regular hexagon is inscribed in a circle of radius $3$ cm, then its perimeter is
- (a)$9$ cm
- (b)$18$ cm
- (c)$27$ cm
- (d)$36$ cm
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(B) $18$ cm
CBSE Class 10 Maths PYQ · Areas Related to Circles · Perimeter sector · 1 Mark · March 2025 · Standard
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