PQR is a straight line .What is the value of x
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Answered by
2
Answer:
>> 2x+x+120= 180
3x+120=180
3x= 60
x= 20
- 2x= 40
Answered by
2
Answer:
20°
Step-by-step explanation:
2x+120°+x=180°
3x+120°=180°
3x=180°-120°
3x=60°
x=60°/3
x=20°
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