Basics of Angles

IMPORTANT

Basics of Angles: Overview

This topic covers concepts, such as Angles, Arms or Sides of Angles, Vertex of Angles, Notation of Angles, Division of Regions by Angles into Three Parts, Interior of Angles, Boundary of Angles, Exterior of Angles, etc.

Important Questions on Basics of Angles

MEDIUM
IMPORTANT

Where does the point K lie?

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EASY
IMPORTANT

Explain that an angle divides the region into three divisions, which are 'arms of an angle', 'interior of an angle', and 'exterior of an angle'. In the given diagram, name the point(s) in the interior of EOF.

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EASY
IMPORTANT

An angle divides the region into three divisions, which are 'arms of an angle', 'interior of an angle', and 'exterior of an angle'. In the given diagram, name the point(s) in the exterior of EOF.

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EASY
IMPORTANT

An angle divides the region into three divisions, which are 'arms of an angle', 'interior of an angle', and 'exterior of an angle'. In the given diagram, name the point(s) in the interior of DOE.

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EASY
IMPORTANT

The supplementary angle of 35° is

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IMPORTANT

Letter Number of right angles Number of acute angles Number of obtuse angles
H      

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Letter Number of right angles Number of acute angles Number of obtuse angles
T      

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Letter Number of right angles Number of acute angles Number of obtuse angles
A      

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IMPORTANT

Letter Number of right angles Number of acute angles Number of obtuse angles
M      

EASY
IMPORTANT

Observe the adjacent figure and fill in the blank.

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Angle is ______.

EASY
IMPORTANT

Point B is the interior of BOC.

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HARD
IMPORTANT

Identify the angles in the picture shown below and write their names in the table given below.

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S.No. Angle Vertex Sides or arms
1. XYZ Y YX, YZ
2.      
3.      
4.      
5.      
6.      
7.      
8.      
9.      
10.      

 

MEDIUM
IMPORTANT

Given below are figure made out of match sticks. All the figures depict angles.

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How many sticks are required for one angle or a figure?

MEDIUM
IMPORTANT

Select the figure that shows the smallest angle.

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A complete angle is equal to 300°.

MEDIUM
IMPORTANT

The angle given is a reflex angle.

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Question Image This angle can be called CAB.

MEDIUM
IMPORTANT

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In the given angle,

Name the vertex of the angle.

EASY
IMPORTANT

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Ray AB has taken a turn away from Ray BC. What quantity measures the amount of turn between the 2 rays?

EASY
IMPORTANT

A protractor has two scales. While measuring or constructing an angle with the help of a protractor, choose the scale the 00 mark of which fails on the arm of the angle.