Answer: 25° and 55°
Explanation:
From the picture given, we can conduct an equation
x + 5 + 3x - 5 = 80
4x = 80
x = 20
So <YVZ is 3x - 5 = 3 * 20 - 5 = 55° and
<WVY = x + 5 = 20 + 5 = 25°
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