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kaliyahgreen
kaliyahgreen kaliyahgreen
  • 15-07-2016
  • Geography
Answered

Given arc CD is a semicircle, classify arc ED.

Verified Answer :

ZhiHeng
ZhiHeng ZhiHeng
  • 15-07-2016

Find the angle for arc ED/ θ measured in radians.

If you have angle for arc CD, use this formula for arc length:

(x°/360°)×2πr

If you have angle measured in radians, use this formula to find arc length:

rθ ( θ in radians )

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