# Ch 9: Solving Angle Problems with Triangles & Quadrilaterals

Ensure you understand how to solve angle problems involving quadrilaterals and triangles with help from this informative chapter. This comprehensive study guide is made up of easy-to-use video and text lessons designed to help you study for an exam or complete your homework.

## Solving Angle Problems with Triangles & Quadrilaterals - Chapter Summary

In this helpful chapter, you'll study how to solve angle problems with triangles and quadrilaterals. These lessons cover the Pythagorean theorem and its application, as well as some practice problems to help you solidify your understanding. Additional topics include solving 3D problems using the theorem, plus different types of triangles and their properties. After completing this chapter, you should be able to:

• Outline special triangle rules and formulas
• Detail the properties of shapes like trapezoids, polygons, parallelograms and quadrilaterals
• Explain what the hierarchy of quadrilaterals is designed for
• Define line of symmetry as it's used in geometric shapes
• Measure polygon angles and find the sum
• Understand how to find the number of diagonals in a polygon
• Discuss the format of geometric proofs

It's easy to study for an exam or get caught up in class with our professionally designed learning materials. Each lesson is accompanied by a multiple-choice quiz that will help you review these topics and identify any that need more study. Our video lessons are generally less than 10 minutes long and easy to navigate using the video tabs feature found in the Timeline. Feel free to study on your mobile phone, tablet or computer any time that works well for you.

11 Lessons in Chapter 9: Solving Angle Problems with Triangles & Quadrilaterals
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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