Construction of a Circle

Q.

Every point on the circle is at ________ distance from the centre.

1. equal

2. infinite

3. unequal

4. None of the Above

Q.

A point from which all points on a circle are at the same distance is called the ___ .

Q.

A circle of given radius can be constructed using a compass and _______.

1. Divider

2. Ruler

3. Protractor

4. None of these

Q. The diameter of the given circle is _____ cm.

1. 4
2. 8
3. 4$\pi$
4. 8$\pi$

Q. Which of the following tools are required to construct a circle of given radius?

1. Ruler
2. Compass
3. Protractor
4. Divider

Q.

With the point O as the centre, draw two circles of radius 2.5 cm and 4 cm with compasses and ruler. What are these circles called? [2 MARKS]

Q. Steps for the construction of $\angle ABC={60}^{\circ }$ are given below. Choose the correct order.

1. With O as the centre and with any suitable radius draw an arc using compasses, which cuts the ray OA . Name the point of intersection as B.
2. Draw a ray OA using a scale and a pencil.
3. Join OC using a scale and a pencil. Extend it to get ray OD.
4. With B as the centre and with the same radius as in step2, draw an arc cutting the previous arc. Name the point of intersection as C.

1. 2, 1, 4, 3
2. 2, 4, 3, 1
3. 2, 1, 3, 4
4. 2, 4, 1, 3

Q.

Points X, M lie _____ and ____ of the given circle respectively.

1. exterior, interior
2. interior, exterior
3. in, on
4. on, out

Q. The diameter of a circle is a line which joins two points on the circle and also passes through the centre of the circle. (In the adjoining figure $AB$ is a diameter of the circle; $C$ is its centre.) Express the diameter of the circle $\left(d\right)$ in terms of its radius $\left(r\right).$

Q. Draw circles of the radii given below, using your compass.

(1) 4 cm
(2) 5 cm
(3) 3.5 cm
(4) 4.5 cm
(5) 2 cm

Q. Which of the following instruments is used to draw a circle?

1. ruler
2. protractor
3. divider
4. compass

Q. Every point on the circle is at ______ distance from its centre

1. far
2. near
3. equal
4. None of the above

Q.

What is the position of point P and point Q in the given triangle?

1. Point P-exterior, Point Q-boundary

2. Point P-exterior, Point Q-interior

3. Point P-boundary, Point Q-interior

4. Point P-interior, Point Q-exterior

Q. With the help of the ruler of 15 cm and a compass you can draw a circle of radius ________ .

1. 20 cm
2. 25 cm
3. 18 cm
4. 12 cm

Q.

In the given figure O is the centre of the circle. If OA = 7.5 cm, then CB = ___

1. 15 cm

2. 14 cm

3. 9 cm

4. 12 cm

Q. Write the names of the points (a) in the interior of the circle (b) in the exterior of the circle and (c) on the circle.

(1)



(2)

Q. In Fig. 11.16, list the points which are: (i) in the interior of ∠P (ii) in the exterior of ∠P and (iii) lie on ∠P.

Q.

The radius of blue circle is 10 cm and that of yellow circle is 4 cm. What is the radius of green circle?

1. 7 cm
2. 8 cm
3. 6 cm
4. 9 cm

Q.

In the given figure , A is the centre of the circle and CD = 15 cm. Find AE + BA​​​​​​​

1. 15 cm
2. 7.5 cm
3. 30 cm
4. 20.5 cm

Q. Which of the following is used to construct a circle?

1. Ruler
2. Compass
3. Protractor
4. Set squares

Q.

What is used to construct circles?

1. ruler

2. divider

3. compass

4. calculator

Q. Take a point on your notebook and draw circle of radii 4 cm, 3 cm and 6.5 cm, each having the sme centre O.

Q.

give athe steps to construct a circle of 7cm.radius.

Q. the centre of a circle is a point of a circle True or False define me

Q. Which of the following object(s) have the shape of a circle

1. door
2. bangle
3. chair
4. wheel