Problem

In circle O, mPOQ=40 and the length of PQ=23π. Find the length of OP.

Answer

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Answer

3.0

Steps

Step 1 :Convert the given angle from degrees to radians: angleinradians=angleindegreesπ180

Step 2 :angleinradians=40π180=0.6981317007977318

Step 3 :Use the rearranged arc length formula to find the length of the radius OP: radius=arclengthangleinradians

Step 4 :radius=23π0.6981317007977318=3.0

Step 5 :3.0

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