Math Practice Topic: Angle Measurements

Description: Solve problems involving angle relationships: complementary, supplementary, and vertical angles.

Adaptive Learning Progression: Different angle relationships are presented by themselves, then mixed.

Sample Levels (out of 4)

Solve for the missing angle(s).
Figures are not drawn to scale.

1.
What is the complement of an angle that measures 50°?    °
2.
If m∠A = 62°, what is m∠B?
    m∠B = °
3.
A and ∠B are complementary angles. If m∠A= 71°,
what is m∠B?    °

Solve for the missing angle(s).
Figures are not drawn to scale.

1.
What is the supplement of an angle that measures 45°?    °
2.
A and ∠B are supplementary angles. If m∠A= 104°,
what is m∠B?    °
3.
If m∠B = 76°, what is m∠A?
   °

Solve for the missing angle(s).
Figures are not drawn to scale.

1.
A and ∠B are vertical angles. If m∠A= 79°,
what is m∠B?    °
2.
In the figure below, two lines intersect to form ∠A,
B, ∠C, and ∠D.
If m∠C = 132°, what is m∠A?      °
3.
In the figure below, two lines intersect to form ∠A,
B, ∠C, and ∠D.
If m∠B = 61°, what is m∠D?      °

Solve for the missing angle(s).
Figures are not drawn to scale.

1.
In the figure below, two lines intersect to form ∠A,
B, ∠C, and ∠D.
If m∠D = 68°, find the missing angles.
    m∠A = °
    m∠B = °
    m∠C = °
2.
A and ∠B are complementary angles. If m∠A= 2°,
what is m∠B?    °
3.
A and ∠B are supplementary angles. If m∠B= 172°,
what is m∠A?    °

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