# How are the semicircle and the diameter of a circle related?

A semicircle is half of a circle and the diameter of a circle is a straight line joining a point from one end of the circle to a point on the other end of the circle, passing through the center.

## Answer: A diameter divides the circle into two semi-circles.

We will determine how semicircle and diameter are related to each other.

**Explanation:**

A diameter divides the circle into two equal parts. Each part is called a semicircle.

A semi-circle is half of a circle divided along the diameter.

The perimeter of a semi-circle in terms of the diameter d is given as P = πd/2

The area of a semi-circle in terms of the diameter d is given as Area = πd^{2}/8

### So, the diameter divides the circle into two semi-circles.

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