Quizizz #1 - Classify Triangles

• acute

• obtuse

• right

• acute

• obtuse

• right

A triangle with 3 congruent sides is called a(n) ______

• Isosceles Triangle

• Equilateral Triangle

• Obtuse Triangle

• Irregular Triangle

A triangle can be classified as an isosceles triangle if there are two equal sides.

• True

• False

Classify this triangle by its sides and angles.

• acute & scalene

• right & scalene

• right & equilateral

• acute & equilateral

Classify this triangle by its sides and angles.

• obtuse & equilateral

• obtuse & isosceles

• right & isosceles

• right & equilateral

Classify this triangle by its sides and angles.

• obtuse & isosceles

• right & scalene

• right & isosceles

• obtuse & scalene

Name this triangle

• Acute, Scalene
• Obtuse, Scalene
• Right, Isosceles
• Acute, Equilateral

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

Find the measure of the missing angle.

• 47

• 57

• 53

• 133