Interior Angle Sum Theorem Quiz

A triangle with TWO congruent sides.

• Equilateral Triangle

• Scalene Triangle

• Isosceles Triangle

• Obtuse Triangle

Tags

CCSS.4.G.A.2

A triangle that has all congruent sides.

• Equilateral Triangle

• Isosceles Triangle

• Scalene Triangle

• Right Triangle

Tags

CCSS.4.G.A.2

The sum of all the interior angles of a triangle is ___ degrees.

Tags

CCSS.8.G.A.5

To form a triangle, the sum of two sides of the triangle must be greater than the third side.

• True

• False

What is the measure of ∠ D ?

• 90°

• 66°

• 49°

• 131°

Tags

CCSS.7.G.B.5

Solve for x.

Hint: remember all three angles add up to 180°.

• 70°

• 140°

• 180°

• 30°

Tags

CCSS.8.G.A.5

What is the measure of the exterior angle, x °

Tags

CCSS.8.G.A.5

What is the measure of ∠ M ?

• 146°

• 34°

• 223°

• 69°

Tags

CCSS.8.G.A.5

Can the side lengths: 7, 18, 13

form a triangle?

Select Yes or No and the reason why

(you should check no more than two choices)

• Yes

• No

• Because the sum of two of the side lengths is greater than the third side length

• Because the sum of two of the side lengths is less than the third side length

Tags

CCSS.7.G.A.2

Which angle in Δ ABC is the smallest angle?

• ∠B

• ∠A

• ∠C

Tags

CCSS.HSG.CO.C.10