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More Lessons for Grade 9 Math

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Videos, worksheets, games and activities to help Algebra students learn how to solve word problems that involve angles.

Geometry Word Problems - Angles of a Triangle

Students are asked to solve word problems that involve the triangle sum theorem. Students also learn the exterior angle theorem, which states that the exterior angle of a triangle is equal to the sum of the measures of the remote interior angles. Students are then asked to solve problems related to the exterior angle theorem using Algebra.

Students are given word problems involving complementary and supplementary angles that require the student to set up an equation to find the measures of the given angles.

You can use the Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem. Then click "Answer" to check your answer.