9.
In a circle of radius 6.3 cm, an arc AB subtends an angle of 90° at the centre of the
circle. Find the length of the arc AB
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Answered by
2
Step-by-step explanation:
l = r × theta
=> length of the arc AB = 6.3 × 90 = 567 CM = 5.67m
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6
Answer:
answer is in the image attached
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