Question

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solve ques 4​

Answer 1

Answer

Step by step explanation

ABCD is the trapezium

Construction - join. AC

Proof
In triangle ABD and triangle BDC

AD=BC. ( Given )

AC=AC. ( common side )

Angle ABD = Angle BDC. ( since AB is parallel to DC alternate angles are equal )

=triangle ABD is congruent to triangle BDC

Therefore Angle A = Angle B. ( corresponding parts of congruent triangles)


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Answer 2

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