Question

Define the following terms:

1) Radius
2) Diameter
3) Chord
4) Arc
5) Semi circle
5) Circumstance​

Answer 1

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(1) Radius: Radius is line segment joining the center of a circle to any point on the circle.

(2) Diameter: Diameter is a line segment whose end points lie on the circle and which passes through the center of the circle.

(3) Chord: A chord is a line segment whose end points lie on the circle.

(4) Arc: Arc is a part of a circle.It can be of any size.

(5) Semi-Circle: Half of a circle is called Semi-circle.

(6) Circumference: Perimeter of a circle is called the circumference of the circle.

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Additional Information:

• Diameter = 2 × Radius (R)
• Radius = 1/2 Diameter

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