It is pi r 2
The perimeter of a full circle (circumference) is "pi" times the diameter. So the perimeter of a semi-circle will be half that; Perimeter = (pi/2) x (diameter).
The perimeter of a circle is its circumference
The perimeter of a circle would be the circumference.
No because the perimeter of a circle is its circumference
circumference
The circumference of a circle is pi times the diameter. If you want a third of that, divide by 3. (Pi is approximately 3.14) Then to get the perimeter add the diameter to the circumference of the 1/3 of the circle.
The perimeter of a circle is its circumference
Pi (3.1415...) times the diameter of the circle = the perimeter
Circumference ("perimeter") of a circle = (pi) x (diameter of the circle)
The circumference of a circle is the length of the circle's perimeter.
When the shape is a circle, then the perimeter is called"circumference".The circumference IS the perimeter of a circle.
The length of the perimeter is the circumference. The perimeter itself is the boundary between the interior and exterior of the circle. The perimeter of a circle is called the circumference