Definition of isosceles triangle and examples.

An isosceles triangle is a triangle that has two congruent sides, or two sides of equal length.

In fact,  the word isosceles came from the Greek word " iso" meaning "equal" and the Greek word "skelos" meaning leg. 

Isosceles triangle


The sides that are equal are shown with the green lines and the base is shown with the blue line.

Recent math words

  1. Repeating Decimal - Definition and Examples

    Sep 12, 19 04:51 PM

    What is a repeating decimal ? A repeating decimal is a decimal in which ...

    Read More

  2. Reflex Angle - Definition and Examples

    Sep 12, 19 01:00 PM

    What is a reflex angle in geometry ? Definition and examples.

    Read More



Share this page:
Enjoy this page? Please pay it forward. Here's how...

Would you prefer to share this page with others by linking to it?

  1. Click on the HTML link code below.
  2. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable.