Solve for x with vertical angles and linear pairs

Year 11 maths · Fieldbook Learning

Name ______________________ Date __________

Vertical angles are equal; a linear pair adds to 180°.

The angles (4x + 27)° and (2x + 71)° are vertical angles. Find x.
The angles (5x)° and (2x + 57)° are vertical angles. Find x.
The angles (4x + 12)° and (5x + 4)° are vertical angles. Find x.
The angles (2x + 13)° and (5x − 71)° are vertical angles. Find x.
The angles (4x + 16)° and (5x − 12)° are vertical angles. Find x.
The angles (x − 4)° and (3x + 96)° form a linear pair. Find x.
The angles (4x − 1)° and (x + 141)° form a linear pair. Find x.
The angles (5x + 19)° and (x + 113)° form a linear pair. Find x.
The angles (3x − 30)° and (4x + 70)° form a linear pair. Find x.
The angles (5x − 7)° and (x + 85)° form a linear pair. Find x.
The angles (x + 20)° and (2x + 4)° are vertical angles. Find x.
The angles (2x + 25)° and (5x − 62)° are vertical angles. Find x.
The angles (4x + 15)° and (5x + 9)° are vertical angles. Find x.
The angles (4x − 29)° and (x + 52)° are vertical angles. Find x.
The angles (5x − 26)° and (4x − 6)° are vertical angles. Find x.
The angles (x + 21)° and (3x + 115)° form a linear pair. Find x.
The angles (x + 11)° and (x + 165)° form a linear pair. Find x.
The angles (3x + 15)° and (x + 65)° form a linear pair. Find x.
The angles (3x − 30)° and (2x + 65)° form a linear pair. Find x.
The angles (5x + 25)° and (x + 119)° form a linear pair. Find x.

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