In figure, DE||BC and the ratio of the areas of `triangleADE`and trapezium BDEC is 4:5 . Find the
Channel: Doubtnut
Date: 2019-12-27

In figure, DE||BC and the ratio of the areas of `triangleADE`and trapezium BDEC is 4:5 . Find the ratio of DE:BC . If BD = 2cm. Then find AD.

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