Reference Angle Practice Worksheet

A Grade 10 math worksheet focusing on understanding and calculating reference angles for various trigonometric functions.

Grade 10 Math TrigonometryReference Angle

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Includes

2 Short AnswerMultiple ChoiceFill in the BlanksTrue / False

Standards

CCSS.MATH.CONTENT.HSF.TF.A.1

Topics

MathTrigonometryReference AngleGrade 10

7 sections · Free to use · Printable

Reference Angle Practice

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Read each question carefully and provide the best answer. Show all your work for full credit.

1. Define what a reference angle is in your own words.

2. Which of the following statements about reference angles is TRUE?

A reference angle is always measured from the positive x-axis.

A reference angle is always acute (between 0° and 90°).

A reference angle can be negative.

The reference angle for 270° is 90°.

3. The reference angle for 150° is .

4. The reference angle for 315° is .

5. The reference angle for -210° is .

6. Draw the angle 240° in standard position on the coordinate plane below. Then, clearly indicate its reference angle.

7. The reference angle for 400° is 40°.

True

False

8. All angles in Quadrant II have a reference angle found by subtracting the angle from 180°.

True

False

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