How to Solve Unknown Angles? (+FREE Worksheet!)
Solving for unknown angles. Example 1:
Solving for unknown angles. Example 2:
Solution: The two angles are a linear pair (from a straight line), so they must add to\(=180^{\circ}\)
Write an equation based on what you know: \(x+42=180\)
Solve the equation: \(x+42=180→x=180-42→x=138\)
The missing angle is \(x=138^{\circ}\)
Exercises for Solving for Unknown Angles
Find the measure of the missing angle.
1)
2)
- \(x=97^{\circ}\)
- \(x=49^{\circ}\)
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