NCERT solutions class 5 Maths Chapter 2 Shapes And Angles

Shapes And Angles

Page: 16

NCERT Solutions For Class 5 Maths Chapter 2 Image 1

1. Mohini made this.

Now you give the

answers.

(i) Is it a closed shape?

Solution:-

Yes, it is a closed shape.

(ii) Does it have 6 sides?

Solution:-

Yes, it has 6 sides.

But it is not the same as the one made by Rohini.

NCERT Solutions For Class 5 Maths Chapter 2 Image 2

2. Mohini tried again.

This is what she made.

(i) Is it a closed shape with 6 sides?

Solution:-

Yes, it is a closed shape with 6 sides.

(ii) Is it the same as the one made by Rohini?

Solution:-

No, it is not the same as the one made by Rohini.

(iii) Is there some way to say in what way these shapes are different?

Solution:-

These shapes are different in angles.

3. Look at the angles marked in these shapes. Can you see the difference?

NCERT Solutions For Class 5 Maths Chapter 2 Image 3

Solution:-

By seeing the figure, we can say that the each figure has different shape and different angles.

Page: 18

1) Look at the shape and answer.

NCERT Solutions For Class 5 Maths Chapter 2 Image 4

(i) The angle marked in colour is the biggest angle.

Solution:-

The angle marked in black colour is the biggest angle.

2.
NCERT Solutions For Class 5 Maths Chapter 2 Image 5

(a) Are the angles marked with yellow equal?

Solution:-

Yes, the angles marked with yellow are equal.

(b) Are the angles marked with green equal?

Solution:-

Yes, the angles marked with green are equal.

(c) Are the angles marked with blue equal?

Solution:-

Yes, the angles marked with blue are equal.

3. Four different angles are marked in four colours. Can you find other angles which are the same as the one marked in red? Mark them in red do this for other colours.

NCERT Solutions For Class 5 Maths Chapter 2 Image 6

Solution:-

NCERT Solutions For Class 5 Maths Chapter 2 Image 7

4. Look at the angles in the pictures and fill the table.

NCERT Solutions For Class 5 Maths Chapter 2 Image 8

Solution:-

NCERT Solutions For Class 5 Maths Chapter 2 Image 9

5. Sukhman made this picture with so many angles.

NCERT Solutions For Class 5 Maths Chapter 2 Image 10

Use colour pencils to mark.

(i) right angles with black colour.

(ii) angles which are more than a right angle with green.

(iii) angles which are less than a right angle with blue.

Solution:-

NCERT Solutions For Class 5 Maths Chapter 2 Image 11

6. Draw anything of your choice around the angle shown. Also write what kind of angle it is. The first one is done.

NCERT Solutions For Class 5 Maths Chapter 2 Image 12

Solution:-

NCERT Solutions For Class 5 Maths Chapter 2 Image 13

7. Write 3 names using straight lines and count the angles.

NameNumber of right anglesNumber of angles more than a right angleNumber of angles less than a right angle

Solution:-

NameNumber of right anglesNumber of angles more than a right angleNumber of angles less than a right angle
MEERA836
REENA823
BALLAN244

8.

NCERT Solutions For Class 5 Maths Chapter 2 Image 14

These are two slides in a park.

(i) Which slide has a larger angle?

Solution:-

The slide which comes in left of the boy has larger angle.

(ii) Which slide do you think is safer for the little boy? Why?

Solution:-

The slide which comes in right is safer. Because, slide on the left of the boy is steeper than the other.

9. (i) Find out how many angles are there in each of these shapes. Mark them.

NCERT Solutions For Class 5 Maths Chapter 2 Image 15

Solution:-

NCERT Solutions For Class 5 Maths Chapter 2 Image 16

(ii) Find out and write your results in the table given.

NCERT Solutions For Class 5 Maths Chapter 2 Image 17

Solution:-

NCERT Solutions For Class 5 Maths Chapter 2 Image 18

10. There are many times in a day when the hands of a clock make a right angle. Now you draw some more.

NCERT Solutions For Class 5 Maths Chapter 2 Image 19

Solution:-

NCERT Solutions For Class 5 Maths Chapter 2 Image 20

11. Write what kind of angle is made by the hands at these times. Also write the time.

NCERT Solutions For Class 5 Maths Chapter 2 Image 21

Solution:-

NCERT Solutions For Class 5 Maths Chapter 2 Image 22

12. Draw the hands of the clock when they make an angle which is less than a right angle. Also write the time.

NCERT Solutions For Class 5 Maths Chapter 2 Image 23

Solution:-

NCERT Solutions For Class 5 Maths Chapter 2 Image 24

13. Can you guess how many degrees is the angle which is?

(i) ½ of a right angle .

Solution:-

We know that, the right angle is equal to 90o.

Then, ½ of a right angle = ½ × 90o

= 1 × 45

= 45o

(ii) 1/3 of a right angle .

Solution:-

We know that, the right angle is equal to 90o.

Then, 1/3 of a right angle = 1/3 × 90o

= 1 × 30

= 30o

(iii) 2 times of a right angle .

Solution:-

We know that, the right angle is equal to 90o.

Then, 2 times of a right angle = 2 × 90o

= 180o

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