Summary of all the Properties of a Circle
Important Properties | ||
---|---|---|
Lines in a circle | Chord | Perpendicular dropped from the center divides the chord into two equal parts. |
Important Formulae | Area of a circle | π × R² |
Area of a sector | (Central angle made by the arc/360°) × π × R² |
What are the 8 parts of circle?
Names of parts of a circle
- Centre.
- Radius.
- Diameter.
- Circumference.
- Tangent.
- Secant.
- Chord.
- Arc.
What are the parts of circle?
Radius, diameter, center, and circumference--all are parts of a circle.
What is a circle and parts of a circle?
The circumference (or perimeter) of a circle is made of many points that are all the same distance (equidistant) from the centre of the circle. An arc is part of the circumference of a circle. The diameter cuts the circle exactly in half and goes through the centre. ...