Question 1058556: Abcd parallelogram, al perpendicular bc, am perpendicular cd, al=4cm, am=5cm,bc=6.5 cm, find cd
Answer by ikleyn(52803)   (Show Source):
You can put this solution on YOUR website! Abcd parallelogram, al perpendicular bc, am perpendicular cd, al=4cm, am=5cm,bc=6.5 cm, find 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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