RBSE Solutions for Class 5 Maths Chapter 16 Geometry Additional Questions

RBSE Solutions for Class 5 Maths Chapter 16 Geometry Additional Questions is part of RBSE Solutions for Class 5 Maths. Here we have given Rajasthan Board RBSE Class 5 Maths Chapter 16 Geometry Additional Questions.

Board	RBSE
Textbook	SIERT, Rajasthan
Class	Class 5
Subject	Maths
Chapter	Chapter 16
Chapter Name	Geometry
Exercise	Additional Questions
Number of Questions	23
Category	RBSE Solutions

Rajasthan Board RBSE Class 5 Maths Chapter 16 Geometry Additional Questions

Multiple Choice Questions

Question 1.
Angle less than right angle is known as
(a) Obtuse angle
(b) Right angle
(c) Acute angle
(d) Straight angle

Question 2.
Walls of home are made up
(a) at right angle
(b) at obtuse(RBSESolutions.com)angle
(c) at acute angle
(d) at straight angle

Question 3.
Obtuse angle called
(a) to 90° angle
(b) to 180° angle
(c) to 60° angle
(d) to 135° angle

Question 4.
Angle shown in the following figure known as

(a) Acute angle
(b) Right angle
(c) Obtuse(RBSESolutions.com)angle
(d) Straight angle

Question 5.
Those angles which are greater than right angle known as
(a) Straight angle
(b) Right angle
(c) Obtuse angle
(d) Acute angle

Question 6.
40° angle is called …………….
(a) Obtuse angle
(b) Straight angle
(c) Right angle
(d) Acute angle

Question 7.
90° angle is called in the following
(a) Right angle
(b) Acute angle
(c) Obtuse(RBSESolutions.com)angle
(d) Straight angle

Question 8.
120° angle is known as
(a) Acute angle
(b) Right angle
(c) Obtuse angle
(d) Straight angle

Answers.
1. (c)
2. (a)
3. (d)
4. (b)
5. (c)
6. (d)
7. (a)
8. (C)

Question 1.
Fill in the following blanks
1. Every right angle is of measure ……………. .
2. Tool used to measure angle is known as ……………. .
3. 180° angle is called ……………. .
4. All walls of our home is made up at ……………. .
5. Angle greater(RBSESolutions.com)than 90° and less than 180° ……………. is called
6. Those angle which are smaller than right angle are called ……………. .
7. Angle whose measure is 90° is called ……………. .
Answer:
1. 90°
2. Protractor
3. Straight angle
4. Right angle or 90°
5. Obtuse angle
6. Acute angle
7. Right angle

Very Short Answer Type Questions

Question 1.
Write the type of the angle formed between the two hands of watch given below.

Solution.
Obtuse angle because it is greater than right angle.

Question 2.
Write the type of the angle(RBSESolutions.com)formed between the two hands of following watch.

Solution.
Straight angle.

Question 3.
Write the type of angle(RBSESolutions.com)formed between hands of following watch.

Solution.
Right angle.

Question 4.
Write down the types of following angles.

Solution.
(i) Right angle
(ii) Acute angle
(iii) Obtuse angle
(iv) Acute angle

Question 5.
Write the definition of straight angle.
Solution.
Angle which is equal to 180° or two right(RBSESolutions.com)angles, called straight angle.

Question 6.
Which angle is greater than right angle and less than two right angles ?
Solution.
Obtuse angle.

Question 7.
How angle is formed.
Solution.
When an object spins or turns(RBSESolutions.com)or change direction it makes an angle.

Question 8.
How many types angles are ?
Solution.
Angles are of four type
(i) Right angle
(ii) Acute angle
(iii) Obtuse angle
(iv) Straight angle

Question 9.
Which is called acute angle?
Solution.
Those angle which(RBSESolutions.com)is less than right angle i.e., 90° called acute angle.

Short Answer and Essay Type Questions

Question 1.
Measure the angles given below with the help of a protractor.

Solution.
(1) 90°
(2) 60°
(3) 115°

Question 2.
Measure the following(RBSESolutions.com)angles with the help of protractor :

Solution.
(i) 70°
(ii) 115°
(iii) 90°

Question 3.
See the angles formed in the following figures. Put ○ mark on those angles(RBSESolutions.com)greater than right angle. Put ✘ mark on those angles which are equal to right angle and put ✓ mark on those angles less than right angle.


Solution.

Question 4.
Explain the concept of right angle.
Solution.
If we look carefully at the floor, walls and ceiling of any building then we see a particular inclination in the corners of floor, walls and ceiling.

See carefully the hour and minute hands of a clock at 3 o’clock and 9 o’clock. We found that they are in the same position with each other as we have seen the inclination (RBSESolutions.com)walls and floor. This particular inclination is known as right angle. Therefore, such an angle between two planes or lines is known as right angle. It is expressed by

Essay Type Questions

Question 1.
Give the estimated method of angle measurment (right angle, acute angle and obtuse angle) on the basis of a paper.
Solution.
Take one transparent paper and cut out one circular piece.

Now according to the figure fold it exactly from the middle then again fold it in two equal parts.

Now open it and cut along with any one line.

By using one of these pieces we can(RBSESolutions.com)measure given angles in form of acute and obtuse angle.
For example :

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