ProveIt! Two-Column Proofs Practice Tool

Proof: Supplementary Angles 2

1 = 35 $\^o$

2 = 145 $\^o$

angle

1 and

angle

2 are supplementary

1.

1.

2 = 145 $\^o$

1 = 35 $\^o$

1 +

2 = 35 $\^o$ + 145 $\^o$ ;

1 +

2 = 180 $\^o$

1 =

1

1 +

2 =

1 +

2

angle

1 and

angle

2 are supplementary

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