Proof: Straight Angle 1
line WXY
WXZ = 135
ZXY = 45
1.
1.
WXY =
WXZ +
ZXY
WXZ = 135
45
=
ZXY
180
= 135
+
ZXY
line WXY
WXY = 180
ProveIt!
by Michael Ferraro <
mferraro@balstaff.org
>.
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