find the degree measure of an angle subtended at the centre of a circle of radius 100cm by an arc of length 22cm
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length=©/360 ×2πr
22=x/360× 2× 22/7 ×100
360×7/200=x
x=12.6°
22=x/360× 2× 22/7 ×100
360×7/200=x
x=12.6°
nav17:
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