Triangle Angle Sum and Exterior Angle Theorem

Triangle Angle Sum and Exterior Angle Theorem

Assessment

Flashcard

Mathematics

9th - 11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Triangle Angle Sum Theorem?

Back

The Triangle Angle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.

2.

FLASHCARD QUESTION

Front

What is an exterior angle of a triangle?

Back

An exterior angle of a triangle is formed by one side of the triangle and the extension of an adjacent side.

3.

FLASHCARD QUESTION

Front

State the Exterior Angle Theorem.

Back

The Exterior Angle Theorem states that the measure of an exterior angle is equal to the sum of the measures of the two non-adjacent interior angles.

4.

FLASHCARD QUESTION

Front

If angle A = 50° and angle B = 60°, what is angle C in triangle ABC?

Back

Angle C = 180° - (50° + 60°) = 70°.

5.

FLASHCARD QUESTION

Front

How do you find the measure of an exterior angle if the two non-adjacent interior angles are 40° and 70°?

Back

The exterior angle = 40° + 70° = 110°.

6.

FLASHCARD QUESTION

Front

What is the relationship between the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

7.

FLASHCARD QUESTION

Front

If one angle of a triangle is 90°, what type of triangle is it?

Back

It is a right triangle.

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