Angle ZXV = 115°
Angle YXW = 115°
Angle ZXY = 65°
Angle VXW = 65°
mm
m2x + 65 = 4x + 15
4x - 2x = 65 - 15
2x = 50
x = 50/2
x = 25
Therefore:
mmm
m115 + mmm
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