Construction of an Angle using Protractor

Q. Measure the angle formed when the time in a clock is 6 PM.

1. ${30}^{\circ }$
2. ${60}^{\circ }$
3. ${90}^{\circ }$
4. ${180}^{\circ }$

Q.

Which of the following is used to measure an angle?

1. Protractor

2. Compass

3. Ruler

4. Calculator

Q.

The tool which is used to draw the perpendicular lines is known as _________________.

Q. Which of the following angles can NOT be made using a compass?

1. 60 degrees
2. 20 degrees
3. 45 degrees
4. 22.5 degrees

Q. The angle given in the image is _____ degrees.

1. 115
2. 75
3. 105
4. 85

Q. Find the value of the unknown angle in the figure given below.

1. ${150}^{\circ }$
2. ${40}^{\circ }$
3. ${140}^{\circ }$
4. ${510}^{\circ }$

Q.

How many right angles do you need to add to get a 360 degrees?

__

Q. The angle shown in the given figure is

1. 145${}^{\circ }$
2. 155${}^{\circ }$
3. 35${}^{\circ }$
4. 45${}^{\circ }$

Q. In the given figure, there are two slides in a park. Which slide has a larger angle and which one will be safer for the boy?
[2 Marks]

Q. Construct $\overline{AB}$ of length 7.8 cm. From this, cut off $\overline{AC}$ of length 4.7 cm. What is the measure of $\overline{BC}$ in cm?

1. 4.7
2. 3.1
3. 7.4
4. 1.3

Q. The measure of half of the angle shown in the given figure is ___

1. 50${}^{\circ }$
2. 25${}^{\circ }$
3. 75${}^{\circ }$
4. 130${}^{\circ }$

Q. Hari measured the angle formed on his wall clock to be ${60}^{\circ }.$ Choose the options where the angle formed by the wall clock is ${60}^{\circ }.$

1. 2 'O' clock
2. 3 'O' clock
3. 10 'O' clock
4. 11 'O' clock

Q. The angle given in the image is _____ degrees.

1. 115
2. 75
3. 105
4. 85

Q.

Out of the given options, which functions can be performed with the help of a protractor?

1. Measure angles

2. Draw angles

3. Measure and draw angles

4. Measure line segment

Q. Find the angle measure between the hands of the clock in each figure :

Q.

Bisector of an angle means:

1. A line which cut the arms of angles

2. A line which cut the angle in two parts

3. A line which bisects the angle in two equal parts

4. A line through the vertex of angle

Q. In the given figure if :
(i) a = 130° ; find b.
(ii) b = ${200}^{\circ }$ ; find a.

Q.

The shape of protractor is:

1. Triangular

2. Circular

3. Semicircle

4. Square

Q.

A right-angle $=$ [ A complete angle ]$÷$_____.

Q.

Which of the following angles can be constructed without using a protractor?

1. 30${}^{\circ }$

2. 40${}^{\circ }$

3. 50${}^{\circ }$
4. 60${}^{\circ }$

Q. Which quantity can you measure by using a protractor?

1. Length
2. Angle
3. Radius
4. Breadth

Q.

Draw a circle with center O with radius 5 cm. Draw any one of the diameters. With same center A, draw another circle with radius 3 cm. Draw any one of the diameters for this circle too. If you join the ends of both the diameters, the figure you will get is:

1. Parallelogram

2. Rectangle

3. Square

4. Trapezium

Q.

Line CD is perpendicular bisector of XY. If length of XP is 10.3 cm, then the length of XY is ?

1. 10.3 cm
2. 20.6 cm
3. 5.1 cm
4. 30.4 cm

Q. The angle shown in the given figure is

1. 155${}^{\circ }$
2. 35${}^{\circ }$
3. 145${}^{\circ }$
4. 45${}^{\circ }$

Q. The unit of measure of an angle is :

1. Degrees
2. Centimeters
3. Candela
4. Hertz