Problem

Given the circle below with secant PON and tangent MN, find the length of PO. Round to the nearest tenth if necessary.

Answer

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Answer

Step 3: Solve for PO: PO=14420=7.2

Steps

Step 1 :Step 1: Apply the secant-tangent theorem: MN2=PNPO.

Step 2 :Step 2: Plug in given values: 122=20PO.

Step 3 :Step 3: Solve for PO: PO=14420=7.2

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