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In the given fig. If DE"||"BC Find EC. ...

In the given fig. If `DE"||"BC` Find EC.
ltimg src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/MATH_241_X_SQP_E01_021_Q01.png" width="80%"gt

Text Solution

Verified by Experts

`(AD)/(BD) = (AE)/(EC) " "` (By B.P.T.)
`" "(1.5)/(3) = (1)/(EC)`
`" "therefore EC = 2 cm`
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