Triangles

Two angles in a triangle measure 30° and 105°. What is the measure of the third angle in the triangle?

• 45°

• 65°

• 75°

• 105°

Tags

CCSS.7.G.B.5

Two angles in a triangle measure 18° and 60°. What is the measure of the third angle in the triangle?

• 222°

• 22°

• 122°

• 102°

Tags

CCSS.4.MD.C.7

Which words best describe this triangle?

• Right

• Acute

• Obtuse

• Isosceles

• Scalene

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

Identify all the correct terms to describe the triangle shown.

• Obtuse

• Equilateral

• Isosceles

• Right

• Acute

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

Leah drew a triangle on a piece of paper. She made one side 5 inches long, another side 4 inches long, and the final side 3 inches long. What kind of triangle did she create?

• Equilateral

• Scalene

• Straight

• Isosceles

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

Why is the triangle classified as isosceles?

• All angles are acute

• At least two sides are congruent

• At least one angle is acute

• All angles are congruent

Tags

CCSS.4.G.A.2

Which statement is true about group A?

• The triangles are all equilateral.

• The triangles are all acute triangles.

• The triangles are all scalene.

• The triangles are all obtuse triangles.

Tags

CCSS.4.G.A.2

Which is a true statement?

• An acute triangle has three acute angles.

• An obtuse triangle has two obtuse angles.

• A right triangle has two right angles.

• A right triangle has 3 congruent angles.

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

Bella has a window in her bedroom shaped like a triangle. Each angle of the triangle measures less than 90 degrees. What kind of triangle is her window?

• Straight

• Acute

• Obtuse

• Right

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

Susie had to draw 2 different triangles for class. Which of the following best describes the triangles she drew?

• These triangles are equilateral triangles.

• These triangles are acute isosceles triangles.

• These triangles are right triangles.

• These triangles are right isosceles triangles.

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2