Abcd is a quadrilateral in which AD=BC and AngleDAB = AngleCBA. Prove that AngleABD congruent AngleBAC & BD=AC &AngleABD = AngleBAC.
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Step-by-step explanation:
AD=BC (given)
angle DAB = angle CBA (given)
AB = AB (common)
By SAS
triangle ABD is congruent to triangle BAC
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