If ar (ABCD) = 36cm square, find ar (DCE)
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Answer:
what is DCE a triangle or what you should diagram also so that one can understand it.
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Step-by-step explanation:
⇒ In given figure parallelogram ABCD and parallelogram ABEF are lies between same parallel lines and having same base AB.
∴ Area of parallelogram ABCD = Area of parallelogram ABEF.
⇒ In parallelogram ABEF
⇒ AB=b=4.2 and FP=h.
⇒ Area of parallelogram ABEF=b×h.
⇒ 36=4.2×h.
⇒ h=
4.2
36
⇒ h=8.57cm.
∴ Height of parallelogram ABEF is 8.57cm.
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