How to Solve Unknown Angles? (+FREE Worksheet!)

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)

  1. \(x=97^{\circ}\)
  2. \(x=49^{\circ}\)
Original price was: $109.99.Current price is: $54.99.
Original price was: $109.99.Current price is: $54.99.
Original price was: $114.99.Current price is: $54.99.

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