Question

In Triangle ABC shown below, Line segment AB is congruent to Line segment BC.The two-column proof with missing statement proves the base angles of an isosceles triangle are congruent.
Statement

Reason
Line segment BD is an angle bisector of ∡ABC.

by Construction
∡ABD ≅ ∡DBC

Definition of an Angle Bisector
Line segment BD≅ Line segment BD

Reflexive Property


Side-Angle-Side (SAS) Postulate
∡BAC ≅ ∡BCA

CPCTC

Which statement can be used to fill in the numbered blank space?
Answer

TriangleABD ≅ TriangleABC

TriangleABD ≅ TriangleCBD

TriangleABC ≅ Tr

Answer 1

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