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Congruent Sides of a Triangle: Definition & Overview

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Triangle ABC has the following side lengths: the measure of AB is 21; the measure of BC is 33; the measure of AC is 21. Classify this triangle by its sides.

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1. Find the measure of each side of equilateral triangle ABC.

2. Triangle ABC is isosceles, and angle C is a right angle, meaning it is 90 degrees. What are the measures of angles A and B?

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About This Quiz & Worksheet

Test your ability to identify and describe important parts of triangles. You will be quizzed on different types of triangles, such as isosceles triangles.

Quiz & Worksheet Goals

This quiz will test you on the following topics:

  • Properties of an isosceles triangle
  • Finding missing values
  • Characteristics of equilateral triangles
  • Measuring the length of a triangle's sides

Skills Practiced

This quiz and interactive worksheet allow students to test the following skills:

  • Defining key concepts - ensure that you can accurately define main phrases, such as isosceles triangle
  • Interpreting information - verify that you can read information regarding triangles and interpret it correctly
  • Reading comprehension - ensure that you draw the most relevant information from the related triangle lesson

Additional Learning

To learn more about triangles, review the lesson on Congruent Sides of a Triangle: Definition & Overview. The lesson will help you:

  • Describe the properties of an isosceles triangle
  • Differentiate scalene and equilateral triangles
  • Find the side length of different triangles
  • Understand the definition of congruent
  • Find missing values of a triangle
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