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Concepts of Angles

Total questions: 24

Worksheet time: 32mins

Name
Class
Date
1.

What is a Right Angle?

a)

The angles between 0 to 90 degrees.

b)

The angles between 180 to 360 degrees.

c)

The angles which are exactly 90 degrees.

2.

Guess Which Angle is this?

a)

0 angle

b)

Reflex Angle

c)

Acute Angle

d)

Obtuse Angle

3.

Before you measure an angle, the center of the protractor needs to be lined up with which of the following?

(a)  

4.

The Measure of angle is 180 degrees.

(a)  

5.

Two rays having a common endpoint form an angle. The two rays forming an angle are called the of the angle.



(a)  

6.

The common end point of the two rays forming an angle is called the

of the angle

a)

Arms

b)

Vertex

7.

A complete turn around a point is called a .

(a)  

8.

Write the name of the angle formed when the clock time is a) 7.15pm b) 9’ o Clock c) 11’ o Clock

a)

Obtuse Angle , Reflex Angle , Acute Angle

b)

Reflex Angle, Acute Angle, Right Angle

c)

Acute Angle, Straight Angle, Obtuse Angle

d)

Right Angle, 360 degree angle , Obtuse Angle

9.

What is an obtuse angle?

a)

An angle whose measure is exactly 180 degrees

b)

An angle whose measure is less than 90 degrees

c)

An angle whose measure is more than 90 degrees and less than 180 degrees

10.

Which type of an angle has a measure that is smaller than a right angle?

(a)  

11.

Angles with a measurement of exactly 90 degrees are also called_______.

a)

90 degree angle

b)

square angle

c)

right angle

d)

all of the given choices

12.

∠NOP is a straight angle. Which of the following could be its measure?

a)

360 degrees

b)

240 degrees

c)

68 degrees

d)

180 degrees

13.

This photo shows an example of ___________ angle.

a)

obtuse

b)

acute

c)

right

d)

angle

14.

This angle has a measure of _________.

a)

acute

b)

obtuse

c)

Zero Angle

15.

Which of the following statement is NOT true?

a)

Acute angle is less than 90°

b)

An angle has three rays.

c)

The vertex is the common endpoint where two rays meet.

d)

A right angle measures 90 degrees.

16.

Estimate the angle given in this star

a)

25°

b)

Acute Angle

c)

45°

17.

What are angles?

a)

An angle is formed when two rays are joined together at a common point

b)

A line is a figure in geometry, which has only length and no width in a two-dimensional plane and extends infinitely in opposite directions.

c)

A line segment is part of a line. It is the part of a line between two endpoints.

18.

What are straight angles?

a)

Angles which measure 0 degrees.

b)

Angles which measure exactly 180 degrees.

c)

Angles which measure less

that 90 degrees.

19.

which angle measure 190 degrees?

(a)  

20.

measures 0 degrees.

(a)  

21.

Half of a right angle is?

(a)  

22.

Angle made by two right angles is a .

(a)  

23.

what angle is 135 degrees?

a)

Right Angle

b)

Obtuse Angle

c)

Reflex Angle

24.

Choose the correct statements.

a)

Angles have three rays.

b)

a straight angle is an angle equal to 180 degrees.

c)

Vertex is the common endpoint where the 2 rays meet.

d)

none of these