Triangle Quiz

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.

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

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

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.

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.

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144

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

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Identify all the correct terms to describe the triangle shown.

• Obtuse

• Equilateral

• Isosceles

• Right

• Acute

Which words best describe this triangle?

• Right

• Acute

• Obtuse

• Isosceles

• Scalene