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Mathematics 11 Online
OpenStudy (anonymous):

Γ is a circle with center O. AB and CD are 2 parallel chords of Γ such that AB=182 and CD=120. E and F are points on AB and CD, respectively, such that ∠OEA=∠OFC=90∘. If E lies between O and F and the radius of Γ is 109, what is the length of EF?

OpenStudy (anonymous):

|dw:1370936511219:dw|

OpenStudy (anonymous):

can u tell me where exactly are u facing the problem in solving this.

OpenStudy (anonymous):

finding the lenght of EF

OpenStudy (mayankdevnani):

@aakanksha17 i have a shortcut way!!!to do this. but i don't know that you understand or not?

OpenStudy (mayankdevnani):

|dw:1370937737486:dw|

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