If ABCD is a quadrilateral in which AB-CD AND AD-BC -Prove that -A-B

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Theorem of Equal Angles Subtended by Different Chords

If ABCD is a ...

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If ABCD is a quadrilateral in which AB\parallel CD AND AD=BC .Prove that \angle A=\angle B

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$A B C D$ is a quadrilateral in which $A D = B C$ and $∠ D A B = ∠ C B A$ . Prove that $∠ A B D = ∠ B A C$ .

A B C D, A D = C D

∠ A = 90^{o} = ∠ C

A B = B C

∠ D A B = ∠ C B A

∠ A B D = ∠ B A C .

A B C D

A B ∥ C D

A D = B C

∠ A = ∠ B

∠ C = ∠ D

A B C D ∠ B = 90^{o}

A D^{2} = A B^{2} + B C^{2} + C D^{2}

∠ A C D = 90^{o}

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