Intro to Triangles

Identify the type of triangle.

• obtuse

• acute

• right

• equilateral

What is the measure of angle B?

The measure of angle B is _______ degrees.

Which theorem says "The measure of an exterior angle of a triangle is equal to the sum of the measures of the two nonadjacent interior angles."

• Interior Angle Theorem

• Exterior Angle Theorem

• Base Angle Theorem

• isosceles triangle

If two sides of a triangle are congruent, then the angles opposite them are _______.

• equilateral

• vertical

• supplementary

• congruent

Interior angles in a triangle sum to _______ degrees

Identify the type of triangle.

• acute

• obtuse

• right

• equilateral

Identify the type of triangle.

• obtuse

• acute

• right

• equilateral

Identify the type of triangle.

• isosceles

• equilateral

• scalene

• right

The measure of the base angles is _____ degrees.

Identify the type of triangle.

• obtuse

• acute

• equilateral

• right