Circle and its Terminologies

Q.

The longest chord of a circle is called its ________.

Q.

The diameter is twice the radius of the circle.

1. True
2. False

Q. The diameter of any circle is twice as long as its radius.

1. True
2. False

Q. The ratio of the circumference of a circle to its diameter is always constant.

1. True
2. False

Q. $\pi$ is an irrational number with non-recurring and non-terminating digits.

1. True
2. False

Q.

Why is radius perpendicular to tangent?

Q. A line that cuts through a circle at exactly two points is known as a

1. Tangent
2. Radius
3. Secant
4. Diameter

Q. The locus of points on a plane that are a fixed distance from a central point form a

1. Ellipse
2. Square
3. Circle
4. Rectangle

Q. A line that touches the circle at a single point is known as a to a circle.

1. Radius
2. Diameter
3. Tangent

Q.

Fill in the blanks:

________ is the distance from the centre of a circle to any point on the boundary of circle.

Q. If a circle is divided into exactly two equal sectors, then each half describes a semicircle.

1. True
2. False

Q. A tangent to a circle will always touch the circumference of the circle at one point only.

1. True
2. False

Q. The radius of a circle is the line segment drawn from its center to its perimeter.

1. True
2. False

Q. Can a circle have two major segments?

1. Yes
2. No

Q. is part of the boundary of a circle, where the starting and ending points are different

1. Secant
2. Diameter
3. Arc
4. Circumference

Q. A circle can be broken down into a finite number of sectors

1. True
2. False

Q. Can a circle have two major sectors?

1. Yes
2. No

Q. The longest chord in a circle is its diameter

1. True
2. False

Q. $\pi$ is an irrational number and its decimal expansion goes on infinitely.

1. True
2. False

Q. The of a circle is the point in a circle from which all the distances to the points on the circle are equal.

1. Radius
2. Centre
3. Eccentricity
4. Diameter

Q. Which of the following represent incorrect relationship?

1. AB = 2AC
2. BC = AC
3. AB = 2BC
4. $AB=\frac{AC}{2}$

Q.

A diameter is double the radius of a circle.

1. True
2. False

Q. A chord is a line segment that is made up of a secant line.

1. True
2. False

Q. The length of a circle's boundary is called __

1. Circumference
2. Radius
3. Diameter
4. Centre

Q. Which of the following is/are true for a circle?

1. Diameter of a circle is twice the radius of the circle.
2. A circle is defined as the collection of all points that are equidistant from a fixed point(centre).
3. Radius of a circle is twice the diameter of the circle.
4. Circumference of a circle is $2\pi r$, where $r$ is the radius of circle.

Q.

Diameter =:

1. $2\times$radius

2. 2

3. radius

4. $\frac{1}{2}\times$radius

Q.

___ is the longest chord of the circle.