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Sagot :
Answer:
50
Step-by-step explanation:
We know angles in a straight line add up to 180, therefore:
2x + 50 + 30 = 180
2x + 50 = 180 - 30
2x + 50 = 150
2x = 150 - 50 = 100
2x = 100
x = 50
Answer:
Step-by-step explanation: Since we know the angle of a line is 180 degrees. We can use that.
1. 180-30 because we already know that angle is 30 degrees.
2. We are left with 150 degrees so we know the large angle is 150 degrees to check we do this.
3. 150=2x+50
4. 100=2x Divide both sides by two and get
5. x=50
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