Geometry Unit 2 Vocabulary Quiz

The interior angles of a triangle sum to _____.

• 360°

• 90°

• 60°

• 180°

Which type of triangle contains 3 angles that are all less than 90 degrees?

• Right

• Obtuse

• Acute

• Scalene

Which type of triangle contains exactly one right angle?

• Right

• Obtuse

• Equiangular

• Scalene

Which type of triangle contains one angle greater than 90 but less than 180?

• Right

• Obtuse

• Equiangular

• Scalene

Which type of triangle contains 3 congruent angles?

• Right

• Obtuse

• Equiangular

• Scalene

Which type of triangle has no congruent sides and no congruent angles?

• Right

• Obtuse

• Equiangular

• Scalene

How many sides are congruent in an isosceles triangle?

• two

• three

• none

How much does each angle measure in an equilateral triangle?

• 60

• 90

• 30

• Cannot be determined

If 2 sides of a triangle are congruent, then the angles opposite them are ________.

• congruent

• supplementary

• adjacent

• right

In the triangle below, AB ≅ AC. Which two angles are congruent?

• ∠B and ∠C are congruent.

• ∠A and ∠B are congruent.

• ∠A and ∠C are congruent.

• ∠A and ∠D are congruent.