Co-terminal and Reference Angles

Co-terminal and Reference Angles

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Hard

CCSS
HSF.TF.A.1

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a reference angle?

Back

A reference angle is the acute angle formed by the terminal side of an angle in standard position and the x-axis.

2.

FLASHCARD QUESTION

Front

How do you find the reference angle for an angle greater than 360°?

Back

Subtract 360° from the angle until it is between 0° and 360°; then find the reference angle.

3.

FLASHCARD QUESTION

Front

What is the reference angle of 420°?

Back

60°.

4.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.HSF.TF.A.1

5.

FLASHCARD QUESTION

Front

What is the reference angle of 120°?

Back

60°.

6.

FLASHCARD QUESTION

Front

How do you find a co-terminal angle?

Back

Add or subtract 360° (or 2π radians) to/from the given angle.

7.

FLASHCARD QUESTION

Front

What is the co-terminal angle of 150°?

Back

510°.

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