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प्रश्न
In a circle of radius 6 cm, a chord of length 10 cm makes an angle of 110° at the centre of the circle. Find the circumference of the circle.
योग
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उत्तर
Given: Circle with radius r = 6 cm.
Step-wise calculation:
Formula for circumference: C = 2πr.
Substitute r = 6 cm: C = 2π × 6 = 12π cm.
Decimal: 12π ≈ 37.70 cm to two decimal places.
Circumference = 12π cm ≈ 37.70 cm.
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अध्याय 13: Areas Related to Circles - EXERCISE 13.2 [पृष्ठ १३.२०]
