Question

ABCD is a quadrilateral in which AD=BC and angle DAB= angle CBA. prove that: 1) triangle ABD ~= triangle BAC (2) BD=AC (3) angle ABD=angle BAC.​

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Answer:

given:AD=BC

angleDAB=angleCBA

to prove:triangleABD congurent. triangleBAC

:BD=AC

:angleABD=angleBAC

proof:AD=BC (given)

DAB=CBA (given)

AB=AB (common)

therefore triangleABD congurent triangleBAC

BD=AC (cpct)

angleABD=angleBAC (cpct)