What is an Acute Triangle? - Definition, Facts & Example


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question 1 of 3

If a triangle is acute, what's a possible sum of two of its angles?

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1. Which of these triangles is an acute triangle?

2. What are possible angle measurements for an acute triangle?

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About This Quiz & Worksheet

This quiz and worksheet toolkit measure your ability to identify the properties of acute triangles. Diagrams and questions will test your basic knowledge.

Quiz & Worksheet Goals

In these assessments you'll be tested on:

  • Possible angle measurements of acute triangles
  • Definition of an equilateral triangle
  • Possible sums of two angles of an acute triangle

Skills Practiced

  • Distinguishing differences - compare and contrast concepts from the lesson, such as acute triangles and equilateral triangles
  • Making connections - use your understanding of the sum of a triangle's three angles
  • Information recall - access the new knowledge you gained concerning what an acute triangle looks like

Additional Learning

If you would like to learn more about acute triangles and their characteristics, review the accompanying lesson titled What is an Acute Triangle? - Definition, Facts & Example. This lesson ensures you will:

  • Understand the concept of acute angles
  • Define an obtuse angle
  • Know basic facts that are true of all acute triangles
  • Differentiate between a right triangle and an acute one