Angles and Triangles

What are supplementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect

Tags

CCSS.7.G.B.5

Are these angles an example of complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither

Tags

CCSS.7.G.B.5

Find the missing angle.

• 60

• 70

• 50

• 140

Tags

CCSS.7.G.B.5

If ∠C and ∠D are supplementary, and the measure of ∠D is 45°, what is the measure of ∠C?

• 135

• 45

• 125

• 90

Tags

CCSS.7.G.B.5

Do the following side lengths form a triangle?
3, 10, 7

• Yes

• No

Tags

CCSS.7.G.A.2

Name the smallest angle in this triangle.

• ∠A

• ∠B

• ∠C

Tags

CCSS.HSG.CO.C.10

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Tags

CCSS.7.G.B.5

Do the following side lengths form a triangle?
2 inches, 2 inches, 4 inches

• Yes

• No

Tags

CCSS.7.G.A.2

Which of these lengths CANNOT represent the sides of a triangle?

• 3, 10, 8

• 2, 5, 8

• 7, 5, 4

• 5, 2, 4

Tags

CCSS.7.G.A.2

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

Tags

CCSS.4.G.A.2