ProveIt! Two-Column Proofs Practice Tool

Proof: Parallel Lines 4

line UTS $\|\|$ line PQR

3 = 45 $\^o$

1 = 50 $\^o$

6 = 135 $\^o$

2 = 40 $\^o$

1.

1.

line UTS $\|\|$ line PQR

6 = 135 $\^o$

3 = 45 $\^o$

PQS =

6

PQS = 135 $\^o$

40 $\^o$ =

2

1 = 50 $\^o$

135 $\^o$ = 50 $\^o$ +

2 + 45 $\^o$ ; 135 $\^o$ = 95 $\^o$ +

2

PQS =

1 +

2 +

3

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