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OpenStudy (anonymous):
If PA = 6 , PD = 4 and BE = 5 find PE
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OpenStudy (anonymous):
OpenStudy (anas.p):
BE is the diameter. so radius is diameter/2 So radius is 2.5. when a radius and tanget meet, they form an angle of 90 degrees. |dw:1339316311928:dw| this becomes a 90 degrees triangle. you can find PO by Pythagoras. Subtract 2.5 (the radius) to get PE.
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