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Angle Sum Property of a Polygon

ln fig., ABCD...

Question

ln fig., ABCD is a rhombus
Is $B C = D C$ ?

A

True

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B

False

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Solution

The correct option is A True
All sides of rhombus are equal so BC= DC.
Also opposite sides are parallel and equal.
So, $△ A B C ≅ △ C D A$
therefore BC= DC

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