**Definition **

A triangle is a 3-sided polygon sometimes called the trigon. Every triangle has three sides and three angles, some of which may be the same. An equilateral triangle is a triangle in which all three sides are equal. By constructing an equilateral triangle inside in a circle is called inscribed equilateral triangle in a circle.watch Inscribed Equilateral Triangle In a Circle Video to learn more.

The first will be to construct an equilateral triangle given the length of one side, and the other two will be to construct an equilateral triangle inscribed in a circle.

**Given: **the length of one side of the triangle

**Construct:** an equilateral triangle

**STEPS:**

**1.** Place your compass point on *A *and measure the distance to point *B*. Swing an arc of this size above (or below) the segment.

**2.** Without changing the span on the compass, place the compass point on *B *and swing the same arc, intersecting with the first arc.

**3.** Label the point of intersection as the third vertex of the equilateral triangle.

**Inscribed Equilateral Triangle In a Circle Video**

Useful for CBSE, ICSE, NCERT & International Students

Grade : 9

Subject : Maths

Lesson : Constructions

Topic: Inscribed Equilateral Triangle In a Circle Video

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