Find the Missing Angle on a Straight Line
- A straight line has angle of 180°
- x = 180° - given angle
- x is missing supplementary angle
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x =
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x =
💡 Quick Help Guide
- In this exercise, one angle on a straight line is given and the other angle is labeled as x. Your task is to find the value of x.
- ▶ Look carefully at the angle shown in the diagram.
- ▶ Remember that angles on a straight line add up to 180°.
- ▶ Use the equation: x = 180° − given angle.
- ▶ Calculate the value of x and enter your answer.
- ▶ Click the check button to see if your answer is correct.
- ▶ To try another question, click the New Question button.
- Practice finding missing angles on a straight line!