9. In a parallelogram PQRS, if angle P = (3x - 5)º and angle
Q = (2x +15). Find the value of x.
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Step-by-step explanation:
- angle P + angle Q = 180°
- (3x - 5)° + (2x + 15) = 180°
- 3x - 5 + 2x + 15 = 180°
- 5x + 10 =180°
- 5x = 180° - 10°
- 5x = 170°
- x = 170°/5
- x = 34
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