Triangles- angles and sides

Two angles of a triangle measure 30° and 108°. What is the measure of the third angle of the triangle?

• 42°

• 45°

• 62°

• 100°

Tags

CCSS.8.G.A.5

Which set of angle measurements could be the three interior angles that form a triangle?

• 22°, 61°, 97°

• 45°, 45°, 60°

• 39°, 42°, 37°

• 60°, 110°, 30°

Tags

CCSS.8.G.A.5

Find the measure of the missing angle.

• 47
• 57
• 53
• 133

Tags

CCSS.8.G.A.5

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.7.G.B.5

What type of triangle is this?

• Equilateral
• Isosceles
• Scalene

Tags

CCSS.4.G.A.2

Does a triangle with these side lengths exist?
15, 12, 9

• Yes
• No

Tags

CCSS.7.G.A.2

Does a triangle with these side lengths exist?
20, 10, 9

• Yes
• No

Tags

CCSS.7.G.A.2

Which of the following does not represent the lengths of the sides of a triangle?

• 2 cm, 6 cm, 7 cm
• 5 cm, 2 cm, 5 cm
• 5 cm, 5 cm, 8 cm
• 3 cm, 10 cm, 15 cm

Tags

CCSS.7.G.A.2

Name the largest angle in this triangle.

• ∠D
• ∠E
• ∠F

Tags

CCSS.HSG.CO.C.10

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

Tags

CCSS.HSG.CO.C.10