Worksheet: Vertically Opposite Angles

Practice questions about vertically opposite angles’ relationship in this worksheet. You will find questions that evaluate your ability to detect two vertically opposite angles and to conclude that they have equal measures.

Q1:

Which of the following statements is true of vertically opposite angles?

AVertically opposite angles sum to .
BVertically opposite angles sum to .
CVertically opposite angles are equal.
DVertically opposite angles are supplementary.
EVertically opposite angles are complementary.

Q2:

If two angles are vertically opposite, then they have a common .

Avertex
Bvertex and side
Cside

Q3:

If two angles are vertically opposite, are they equal in size?

Ayes
Bno

Q4:

The two angles and are called angles.

Acorresponding
Bvertically opposite
Calternate
Dadjacent

Q5:

Determine .

Q6:

Determine .

Q7:

The given figure shows two intersecting straight lines. Find the value of .

Q8:

The given figure shows two intersecting straight lines. Find the value of .

Q9:

Given that lines and intersect at , find .

Q10:

Given that lines and intersect at , find .

Q11:

In the figure, lines and intersect at . What is ?

Q12:

Find the value of .

A36
B70
C38
D106

Q13:

Find the value of .

A32
B82
C34
D114

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