Triangle Quiz

Which pair of angle measures CANNOT be the acute angles of a right triangle?

• 29° and 61°
• 30° and 60°
• 38° and 53°
• 45° and 45°

Classify the triangle by angles and sides.

• obtuse & scalene
• right & isosceles
• acute & equilateral
• acute & scalene

Find the value of x?

• 2.5
• 2
• 3
• 4

What is the measure of exterior ∠ACD?

• 50°
• 80°
• 120°
• 130°

What is the value of x?

• 18
• 27
• 45
• 90

Classify the triangle.

• isosceles & acute
• isosceles & obtuse
• scalene & acute
• scalene & obtuse

What is the m∠U?

• 5°
• 15°
• 120°
• 130°

What is the value of x?

• 22.5°
• 30°
• 45°
• 60°

What is the length of BC?

• 2
• 8
• 10
• 24

Which is the correct classification for the triangle?

• equilateral & equiangular
• obtuse & equilateral
• right & scalene
• scalene & acute