Triangle sum and Exterior Angle Theorem

Triangle sum and Exterior Angle Theorem

Assessment

Flashcard

Mathematics

9th - 12th 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 Sum Theorem?

Back

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

2.

FLASHCARD QUESTION

Front

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

Back

It is a right triangle.

3.

FLASHCARD QUESTION

Front

What is the Exterior Angle Theorem?

Back

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

4.

FLASHCARD QUESTION

Front

How do you find the measure of an unknown angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

5.

FLASHCARD QUESTION

Front

What is the relationship between the angles in a triangle?

Back

The angles in a triangle are related such that their sum is always 180 degrees.

6.

FLASHCARD QUESTION

Front

Can a triangle have two obtuse angles?

Back

No, a triangle cannot have two obtuse angles because the sum of the angles would exceed 180 degrees.

7.

FLASHCARD QUESTION

Front

What are the three types of triangles based on angles?

Back

The three types of triangles based on angles are acute (all angles < 90°), right (one angle = 90°), and obtuse (one angle > 90°).

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