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Mathematics 6 Online
OpenStudy (anonymous):

Given: line AC and line AE are common external tangents of point G and point D. Line BC=123, line GB=20, and line AG =101. What is the measure of AC?

OpenStudy (anonymous):

OpenStudy (vishal_kothari):

what did u tried?

OpenStudy (anonymous):

the pythagoreom theorem but i cant get it..

OpenStudy (anonymous):

|dw:1330491233414:dw| use pythagoean 101^2 - 20^2 = 9801 sqart(9801) = 99 AB = 99 AC = 99+123 = 222

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