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Complementary Angles

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Levels are CK12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

Complementary Angles

by CK-12 //basic

Solve complementary angle problems.

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Complementary Angles

This concept introduces students to complementary angles.

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• Video

Complementary Angles Principles - Basic

by CK-12 //basic

This video provides the student with a walkthrough on identifying complementary angles.

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• Video

Complementary Angles Examples - Basic

by CK-12 //basic

This video provides the student with a walkthrough of one or more examples from the concept "Complementary Angles".

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• Video

Complementary Angles Principles

This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.

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• Video

Complementary Angles Examples

This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.

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• Video

Angle Basics

by CK-12 //basic

Learn all the basics you'll need to know about angles. James Sousa introduces angle vocabulary and measurement.

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• Video

Complementary, Supplementary, and Vertical Angles

by CK-12 //basic

Defines types of angles and goes over some practice problems.

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• Video

Complementary Angles - Overview

by CK-12 //basic

Overview

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• Video

Complementary Angles - Example 1

by CK-12 //basic

Find the measure of an angle using given information

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• Video

Complementary Angles - Example 2

by CK-12 //basic

Find the measure of an angle using algebra

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Complementary Angles Quiz

Ten problem quiz, short answers. Students need to solve for missing complementary angles, both with simple arithmetic and algebraically. One problem requires that students identify a complementary angle and prove that it is complementary to the original angle.

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• Interactive Exercise

Supplementary Angles--Word Problem

Solve for the unknown angle. You are only given information in writing.

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• Practice

Complementary Angles Practice

by CK-12 //basic

Practice Complementary Angles questions

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• Interactive Exercise

Supplementary Angles

Given a set of adjacent, supplementary, angles find the measure of the unknown measure.

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• Interactive Exercise

Vertical and Supplementary Angle Facts

Displays several statements about vertical and supplementary angles. Decide whether each is true or false.

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• Interactive Exercise

Displays a pair of adjacent, supplementary angles. Find the measure of the unknown angle.

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• Interactive Exercise

Two supplementary angles are displayed. Use algebra to find the value of x.

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• Interactive Exercise

Supplementary Angles--Word Problem

Solve for the unknown angle. You are only given information in writing.

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• Interactive Exercise

Unknown Complementary Angle Word Problem

Presents a problem involving two complementary angles. Can you solve for the unknown angle?

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• Interactive Exercise

Unknown Complementary Angle Word Problem with Algebra

Presents a problem involving two complementary angles. Can you solve for the unknown angle?

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• Interactive Exercise

Unknown Greater Complementary Angle Word Problem

Presents a problem involving two complementary angles. Can you solve for the unknown angle?

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• Interactive Exercise

Linear Pair Facts

Displays several statements about linear pairs. Decide whether each is true or false.

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• Interactive Exercise

Form a Linear Pair

Displays either a linear pair or not a linear pair. Decide whether the statement is true or false.

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• Interactive Exercise

Vertical Angle

Displays two intersecting lines. What is the value of x?

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• Interactive Exercise

Algebra and Vertical Angles

Displays two intersecting lines. The measures of two angles are given as algebraic expressions. Determine the value of x.

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• Critical Thinking

Complementary Angles Discussion Questions

A list of student-submitted discussion questions for Complementary Angles.

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To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.

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To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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• Real World Application

Complementary Angles

Making a table using complementary angles.

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• Study Guide

Angles Study Guide

This study guide reviews angle nomenclature, how to measure angles, different types of angles, congruent angles, and angle pairs.

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• Flashcards

Complementary Angles Flashcards

by CK-12 //basic

These flashcards help you study important terms and vocabulary from Complementary Angles.

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