Triangles Math Example 3

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Example 3

easy
An equilateral triangle has a perimeter of 3636 cm. Find the length of each side.

Solution

  1. 1
    An equilateral triangle has three equal sides, so P=3sP = 3s.
  2. 2
    Solve: s=363=12s = \frac{36}{3} = 12 cm.

Answer

s=12 cms = 12 \text{ cm}
Equilateral triangles have all sides and all angles equal. Each angle is 60°60°.

About Triangles

A polygon with exactly three sides and three interior angles that always sum to exactly 180 degrees.

Learn more about Triangles →

More Triangles Examples

Example 1 easy

Two angles of a triangle measure [formula] and [formula]. Find the third angle.

Example 2 medium

Classify the triangle with sides [formula] cm, [formula] cm, and [formula] cm by its sides and deter

Example 4 medium

The three angles of a triangle are in the ratio [formula]. Find the measure of each angle.

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