Proof: Parallel Lines 4
line UTS
line PQR
3 = 45
1 = 50
6 = 135
2 = 40
1.
1.
PQS =
6
1 = 50
line UTS
line PQR
135
= 50
+
2 + 45
; 135
= 95
+
2
3 = 45
40
=
2
PQS =
1 +
2 +
3
PQS = 135
6 = 135
ProveIt!
by Michael Ferraro <
mferraro@balstaff.org
>.
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