Proof: Straight Angle 1
line WXY
WXZ = 135
ZXY = 45
1.
1.
line WXY
180
= 135
+
ZXY
WXZ = 135
45
=
ZXY
WXY = 180
WXY =
WXZ +
ZXY
ProveIt!
by Michael Ferraro <
mferraro@balstaff.org
>.
Copyright ©2010. All rights reserved.