T12.Angles and Triangles Review

Which phrase is incorrect?

• Complementary angles have to be adjacent.
• Supplementary angles equal 180°.
• Complementary angles can make a right triangle. 
• Complementary angles add up to be half of 180°.

Tags

CCSS.7.G.B.5

Use the image to answer the question.

• Definition of complementary angles
• Definition of vertical angles
• Definition of supplementary angles
• Definition of right angle

Tags

CCSS.7.G.B.5

If ∠BPD and ∠DPC have a sum of 72°. What is ∠APC?

• 18°
• 90°
• 108°
• 180°

Tags

CCSS.7.G.B.5

Which are pairs of vertical angles?

• ∠COB & ∠COA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOD

Tags

CCSS.7.G.B.5

Find the value of x

• -5
• 28
• 19
• -3

Tags

CCSS.7.G.B.5

In the figure which angle is complementary to angle 1? 

• Angle 2
• Angle 3
• Angle 4
• Angle 6

Tags

CCSS.7.G.B.5

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25
• Complementary; x=5
• Supplementary; x=25
• Supplementary; x=5

Tags

CCSS.7.G.B.5

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

Tags

CCSS.7.G.B.5

Two angles of a triangle measured 78^o and 30^o. What is the measure of the third angle?

• 48^o

• 72^o

• 108^o

• 180^o

Tags

CCSS.8.G.A.5

A triangle has two angles that measure 65^o and 100^o. What type of triangle is this?

• right

• isosceles

• scalene

• equilateral

Tags

CCSS.4.G.A.2