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Mathematics 15 Online
OpenStudy (anonymous):

Can someone help me with Geo Problem! Diagonal AC divides a trapezoid ABCD two similar triangles ABC and ACD. Find AC if BC=4cm and AD=9cm

OpenStudy (anonymous):

@ganeshie8 I need help

OpenStudy (anonymous):

@ghazi @lalaly @AccessDenied

OpenStudy (anonymous):

Are these triangles similar by area?

OpenStudy (anonymous):

Is not there any fig. for this?

OpenStudy (campbell_st):

I think it looks like this|dw:1356206771435:dw| the angles marked x are equal by alternate angles in parallel lines

OpenStudy (ghazi):

|dw:1356207039082:dw|

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