in the given figure ABCD is a parallelogram , AL perpendicular to BC , AM perpendicular to CD , AL = 4cm , AM = 5 cm . If BC = 6.5 cm then find the value of CD ?
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The two expressions for the area of the parallelogram ABCD are S = |BC|*|AL| and S = |DC|*|AM|. It gives you an equation |BC|*|AL| = |DC|*|AM|. Substitute the given values 6.5*4 = |DC|*5 and find |DC| from there |DC| = 5.2 cm. Answer. |DC| = 5.2 cm.
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I hope this will help you.
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