Geometry: Triangles Help and Practice Problems

Find study help on triangles for geometry. Use the links below to select the specific area of geometry triangles you're looking for help with. Each guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn triangles for geometry.

Study Guides

showing 1 - 10 of 19
  • 1.

    Triangles Help

    Introduction to Triangles If it’s been a while since you took a course in plane geometry, you probably think of triangles when the subject is brought up. Maybe you recall having to learn all kinds of theoretical proofs concerning ...

    Source: McGraw-Hill Professional
  • 2.

    Triangle Definitions Help

    Introduction to Triangles If you ever took a course in plane geometry, you remember triangles. Do you recall being forced to learn formal proofs about them? We won’t go through proofs here, but important facts about triangles are worth ...

    Source: McGraw-Hill Professional
  • 3.

    Triangle Congruence and Similarity Help

    Introduction to Triangle Congruence and Similarity There are four criteria that can be used to define sets of triangles that are directly congruent. These are called the side–side–side (SSS), ...

    Source: McGraw-Hill Professional
  • 4.

    Types of Triangles Help

    Introduction to Types of Triangles Triangles can be categorized qualitatively (that means according to their qualities or characteristics). Here are the most common character profiles. Acute Triangle

    Source: McGraw-Hill Professional
  • 5.

    Triangle Special Facts Help

    Introduction to Triangle Special Facts Right Triangle Suppose we have a triangle Δ PQR with sides S, T , and U , having lengths s, ...

    Source: McGraw-Hill Professional
  • 6.

    Triangle Practice Test

    Review triangle facts about: Triangle Definitions Help Triangle ...

    Source: McGraw-Hill Professional
  • 7.

    Triangle Congruence Practice Problems

    Review Geometry Triangle Basics Help Triangle Congruence Practice Problems PROBLEM 1 Suppose ...

    Source: McGraw-Hill Professional
  • 8.

    Triangle Perimeter and Congruence Practice Problems

    Review Basic Triangle Facts Help. Triangle Perimeter and Congruence Practice Problems PROBLEM 1

    Source: McGraw-Hill Professional
  • 9.

    Classifying Triangles Study Guide

    Introduction to Classifying Triangles The only angle from which to approach a problem is the TRY-Angle. —Author Unknown The triangle is the ...

    Source: LearningExpress, LLC
  • 10.

    Polygons and Triangles Study Guide

    Introduction to Polygons and Triangles Geometry existed before the creation. —PLATO, classical Greek philosopher (427 B.C.E.–347 B.C.E.) After ...

    Source: LearningExpress, LLC

Recent Questions


Are dogs color-blind??? (1 answer)


examples of  funny speeches (no answers)
Reading Screening Quiz

Reading Screening Quiz

Take this quiz with your child to assess reading readiness.

Get Ready to Read