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In trapezium ABCD, CD is parallel to AB....

In trapezium ABCD, CD is parallel to AB. E and F are points on the non parallel sides. If EF is parallel to AB, then
prove thatAE/ED=BF/FC

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  7. ABCD is a quadrilateral in which P,Q, R and S are midpoints of the sid...

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  14. In the figure, 0 is the centre of the clrcle. angle P=angle R=90, OP=2...

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