Angles & Triangles Unit Test

Which of the angles below are vertical angles?

• angle 1 and angle 3

• angle 3 and angle 4

• angle 1 and angle 2

• angle 4 and angle 1

Classify this triangle by its sides.

• Scalene

• Equilateral

• Isosceles

• Acute

Using the diagram, determine which statement is NOT true.

• angle Y is 90°

• angles X and Z are complementary

• angles X and Z are supplementary

• angles Y and Z are adjacent

What do all three angles in a triangle add up to?

• 90 degrees

• 190 degrees

• 180 degrees

• a right triangle

Triangle QRS is shown. Use the information given to determine the measure of angle R.

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

Hint: Triangle Inequality Theorem

• 23 m, 17 m, 14 m

• 11 m, 11 m, 12 m

• 5 m, 7 m, 8 m

• 21 m, 6 m, 10 m

Which angle is adjacent to ∠1?

• <2

• <4

Tags

CCSS.7.G.B.5

Which of the following is a set of complementary angles?

• ∠CFD and ∠EFD

• ∠AFB and ∠DFE

• ∠AFC and ∠DFC

• ∠BFC and ∠DFE

Which pair of angles is an example of supplementary angles?

• ∠AFB and ∠EFC

• ∠AFC and ∠DFE

• ∠AFD and ∠DFC

• ∠AFD and ∠EFD

Write an equation and solve for the measurement of x.