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  1. Equilateral Triangle | Definition, Properties & Measurements

    What is an equilateral triangle? Learn the definition and properties of equilateral triangles, as well as the angles and measurements of equilateral triangles.

  2. Equilateral vs. Equiangular Polygons | Definition & Shapes

    What are equilateral polygons and equiangular polygons? Learn the equilateral polygon definition and the equiangular polygon definition with examples.

  3. How to Inscribe an Equilateral Triangle in a Circle - Study.com

    Learn how to inscribe an equilateral triangle in a circle, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

  4. Video: Equilateral vs. Equiangular Polygons | Definition & Shapes

    Video Summary for Equilateral vs Equiangular Polygons This video explains the key differences between equilateral and equiangular polygons. A polygon is a geometric figure with straight sides ...

  5. Area of an Equilateral Triangle | Formula, Calculation & Examples

    Learn to calculate the area of an equilateral triangle. Understand the derivation of the formula for calculating the area and learn to prove it yourself.

  6. How to Classify Triangles | Overview & Examples - Study.com

    Discover the classifications of triangles and learn how to classify triangles by sides and angles. Explore the properties of scalene, isosceles, equilateral, acute, obtuse, and right triangles.

  7. Altitude of a Triangle | Definition, Formula & Examples

    The altitude of a triangle is a perpendicular line segment from a vertex to the opposite side. It is calculated using a formula. Examples are included.

  8. How to Classify Scalene, Isosceles & Equilateral Triangles by Side ...

    Learn how to classify scalene, isosceles, and equilateral triangles by side lengths, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

  9. Can a right triangle be equilateral? | Homework.Study.com

    Equilateral Triangles: In geometry, an equilateral triangle is defined as a triangle that has all sides of equal length. Another property that all equilateral triangles satisfy is that the measure of their angles …

  10. 30-60-90 Triangles | Properties, Formula & Examples - Study.com

    The height of an equilateral triangle divides it into two 30-60-90 triangles. Using the 30-60-90 triangle rules for the lengths of the sides, the following facts apply to an equilateral triangle.