He proof TriangleABC β
TriangleDCB that is shown.
Given: AngleA β
AngleD; CD||AB
P...
Mathematics, 05.04.2020 00:52 anjali3544
He proof TriangleABC β
TriangleDCB that is shown.
Given: AngleA β
AngleD; CD||AB
Prove: TriangleABC β
TriangleDCB
Triangles C D B and C A B are shown. Angles C D B and C A B are congruent. Sides D C and A B are parallel.
What is the missing reason in the proof?
A 2-column table has 5 rows. Column 1 is labeled Statement with entries angle A is-congruent-to angle D, line segment C D is parallel to line segment A B, line segment C B is-congruent-to line segment B C, angle A B C is-congruent-to angle D C B, triangle A B C is-congruent-to triangle D C B. Column 2 is labeled Reason with entries given, given, reflective property, alternating interior angles are congruent, question mark.
alt. ext. Angles are β
ASA
AAS
corr. int. Angles are β
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