ProveIt! Two-Column Proofs Practice Tool

Proof: Congruent Triangles 2

line AC bisects angle

angle

BAD &

angle

BCD

line DC

perpendicular

line AD

B = 90 $\^o$

1.

1.

D =

B

line AC bisects angle

angle

BAD &

angle

BCD

angle

DAC

congruent

angle

BAC

D = 90 $\^o$

B = 90 $\^o$

3gon

DAC

congruent

3gon

BAC

line DC

perpendicular

line AD

line AC

congruent

line AC

angle

DCA

congruent

angle

BCA

ProveIt! by Michael Ferraro <mferraro@balstaff.org>.
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