what is the length of a 90 degree arc in a circle with a radius of 16cm

what is the length of a 90 degree arc in a circle with a radius of 16cm
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90 degrees divides a circle into 4 equal parts, so an arc subtended by a right angle is a quarter of the circumference=2(pi)r/4=(pi)r/2=8(pi)=25.13cm approx.
by Top Rated User (1.1m points)

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