Complementary Angles Worksheets

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Ensure a meteoric growth in your math skills, using our complementary angles worksheets. Consisting of practice sets on identifying a complementary pair, finding the measure of the complement of an angle, determining the measures of both the angles in the pair and more, this set of worksheets is a class apart. The printable MCQ worksheet is highly recommended for quick assessments on the topic. Answer key is available for all worksheets.

The PDF worksheets are customized for the 7th grade and 8th grade students.

CCSS: 7.G

Finding the Complementary Angles

Incorporated here are three basic exercises on complementary angles. The measures of two angles in a complementary pair always add up to 90°. Use this information to answer the questions.

Finding the Complementary Angles

Complementary Angles: MCQ

Put your learning to a quick test with this MCQ worksheet. Recognize the angles or measures as 'complementary' or 'not complementary' as directed in each question.

Complementary Angles: MCQ

Complementary Angles forming Right Angles

Introduce kids to adjacent complementary angles that form right angles with this PDF worksheet designed to make a difference in the way they approach the topic. Each right angle in this module depicts the measure of one of the angles in a complementary pair. Subtract it from 90° to find the measure of the other angle in the pair.

Complementary Angles forming Right Angles

Complementary Angles and Linear Expressions

The measure of one of the angles in the complementary pair is represented as a linear expression. Add it up with the other measure, equate the sum with 90° and simplify the equation to obtain the value of x.

Complementary Angles and Linear Expressions

Finding both the Angles in a Complementary Pair

Encourage children to ram the concept home with this free worksheet. Let them determine the measures of both the angles in the complementary pair for each of the cases provided.

Finding both the Angles in a Complementary Pair