# What is an Equilateral Triangle? - Definition, Properties & Formula

Instructions:

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

question 1 of 3

### In an equilateral triangle, what it the sum of any two of its angles?

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### 2. If half of an equilateral triangle's base is 100 inches long, what is the triangle's perimeter?

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This quiz/worksheet combo will help measure your knowledge of equilateral triangles. Topics you will be assessed on include the definition of equilateral and calculating area and perimeter.

## Quiz & Worksheet Goals

In these assessments you'll be tested on these goals:

• Define equilateral
• Understand angle measures of equilateral triangles
• Solve for area and perimeter in practice problems

## Skills Practiced

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

• Reading comprehension - ensure that you draw the most important information from the related geometry lesson
• Problem solving - use acquired knowledge to solve mathematical practice problems
• Information recall - access the knowledge you've gained regarding the term equilateral triangle