Unit 4 Triangle Properties

Unit 4 Triangle Properties

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the measurement of the angles in a triangle?

Back

The sum of the interior angles of a triangle is always 180°.

2.

FLASHCARD QUESTION

Front

What is the definition of a triangle?

Back

A triangle is a polygon with three edges and three vertices.

3.

FLASHCARD QUESTION

Front

What are the types of triangles based on their angles?

Back

Triangles can be classified as acute (all angles < 90°), right (one angle = 90°), or obtuse (one angle > 90°).

4.

FLASHCARD QUESTION

Front

What are the types of triangles based on their sides?

Back

Triangles can be classified as equilateral (all sides equal), isosceles (two sides equal), or scalene (no sides equal).

5.

FLASHCARD QUESTION

Front

What is the Triangle Inequality Theorem?

Back

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

6.

FLASHCARD QUESTION

Front

How do you find the missing angle in a triangle?

Back

To find a missing angle, subtract the sum of the known angles from 180°.

7.

FLASHCARD QUESTION

Front

What is an exterior angle of a triangle?

Back

An exterior angle is equal to the sum of the two opposite interior angles.

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