Angles and Triangles Study Guide

What is the relationship between angles 1 and 3?

• supplementary

• complementary

• vertical

• adjacent

Determine which equation below can be solved to find the value of x.

• x + 3 + 49 = 90

• x + 3 + 49 = 180

• x + 3 - 49 = 90

• x + 3 - 49 = 180

Using the diagram, determine which statement is NOT true.

• angle 2 is 90 degrees

• angles 1 and 3 are complementary

• angles 1 and 3 are supplementary

• angles 2 and 3 are adjacent

Denisha is given the following information to construct a triangle. Determine what type of triangle will be constructed. 

• a unique triangle

• more than one triangle

• no triangle

• a right triangle

What is the measure of angle J?

• 30 degrees

• 45 degrees

• 50 degrees

• 55 degrees

Which three lengths CANNOT be the lengths of the sides of a triangle?

• 23 m, 17 m, 14 m

• 11 m, 12 m, 15 m

• 5 m, 6 m, 10 m

• 23 m, 7 m, 10 m

What is the measure of angle BFC?

• 70 degrees

• 80 degrees

• 90 degrees

• 95 degrees

Which of the following is a set of complementary angles?

• angle AFB and angle DFE

• angle BFD

• angle BFD and angle CFD

• angle CFD and angle DFE

Which pair of angles is an example of supplementary angles?

• angle AFB and angle BFC

• angle BFC and angle CFD

• angle CFD and angle DFE

• angle AFB and angle BFE

Which of the following is NOT a true statement?

• angle DFE measures 35 degrees

• angle CFD measures 10 degrees

• angle AFB measures 65 degrees

• angle BFC and angle CFD are complementary