Diameter

Q.

A chord of a circle which is twice as long as radius is called

1. Tangent

2. None of the above

3. Diameter

4. Secant

Q.

A chord of a circle, which is twice as long as its radius, is a diameter of the circle. Write True or False. Give reason for your answer.

1. True
2. False

Q. The ______ is the longest chord of the circle.

1. radius
2. diameter
3. tangent
4. secant

Q.

In the figure given AD is the diameter of the circle. If ∠BCD = 130⁰. Calculate ∠ADB.

1. 30

2. 35

3. 45

4. 50

5. 40

Q. The chord that passes through the centre is called the diameter.

1. False
2. True

Q. If AB is a chord that passes through the centre, O, of a circle, what is AB known as?

1. Diameter of the circle
2. Sector of the circle
3. Radius of the circle
4. Segment of the circle

Q. The chord that passes through the centre of a circle is called the ______.

1. diameter
2. tangent
3. radius
4. arc

Q.

The longest chord of a circle is called a/an ___ of the circle.

Q.

If the radius of a circle is $5cm$, find the value of the cube of its diameter.

1. $500c{m}^3$

2. $1000c{m}^3$

3. $2000c{m}^3$

4. $200.5c{m}^3$

Q. A chord of length $12$ cm is drawn in a circle of radius $10$ cm. Calculate its distance from the centre of circle.

Q.

If AB is a chord which passes through the centre O of a circle, then what is AB known as?

1. Segment of the circle

2. Sector of the circle

3. Diameter of the circle

4. Radius of the circle

Q. In the given figure, if AB = OA then $\angle AOB={60}^{\circ }$.

1. True
2. False

Q. The lengths of two parallel chords of a circle are $6$ cm and $8$ cm. The smaller chord is at a distance of $4$ cm from the centre, Then the distance of the other chord from the centre is,

1. None of these
2. $3$ cm
3. $6$ cm
4. $4$ cm

Q. A chord of a circle which is twice the radius of the circle is the diameter of the circle.

1. True
2. False

Q. The chord that passes through the centre of a circle is called the radius.

1. True
2. False

Q.

If AB is a chord which passes through the centre O of a circle, then what is AB known as?

1. Segment of the circle

2. Radius of the circle

3. Sector of the circle

4. Diameter of the circle

Q. In the diagram $O$ is the centre of the circle with diameter $20$ cm.
The circle is the locus of a point $X$. State the distance of $X$ from $O$.

1. $5$ cm
2. $8$ cm
3. $10$ cm
4. $20$ cm

Q. The chord that passes through the centre of a circle is called the radius.

1. True
2. False

Q. The chord that passes through the centre is called the diameter.

1. True
2. False

Q. A chord of a circle which is twice the radius of the circle is the diameter of the circle.

1. True
2. False

Q.

If AB is a chord which passes through the centre O, then AB is known as :

1. Sector

2. Diameter

3. Chord

4. Segment

Q. The chord that passes through the centre is called the diameter.

1. False
2. True

Q.

If AB is a chord which passes through the center O, then AB is known as :

1. Chord

2. Sector

3. Segment

4. Diameter

Q.

If the radius of a circle gets doubled, its diameter gets

Q. The chord that passes through the centre of a circle is called the radius.

1. True
2. False

Q.

a wire is looped in the form of a circle of radius 28cm . it is reverted into a square form . determine the side of a squrare

Q.

The chord that passes through the centre of the circle is ___

1. Diameter

2. Both a and b

3. Radius

4. None of the above

Q. The chord that passes through the centre is called the diameter.

1. False
2. True

Q. The chord that passes through the centre is called the diameter.

1. True
2. False

Q. The lengths of two parallel chords of a circle are $6$ cm and $8$ cm. The smaller chord is at a distance of $4$ cm from the centre, then the radius of the circle is?

1. $10$ cm
2. $5$ cm
3. $3$ cm
4. None of these