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Mathematics 9 Online
OpenStudy (anonymous):

Given: AE is a tangent of B. BC=5 and AE=24 What is the measure of EC?

OpenStudy (triciaal):

|dw:1403841881216:dw| a tangent at B means a perpendicular bisector CBE = 90° AE bisected = 24/2 so AB = BE = 12 given BC = 5 we have a 5,12, 13 triangle by pythagorean theorem EC = 13

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