NCERT Solutions Class 5 Mathematics Chapter 2 Shapes and Angles

(1) Look at the shape and the answer.

The angle marked in ________ colour is the biggest angle.
Ans. The angle marked in black colour is the biggest angle.

2 (a) Are the angles marked with yellow equal? ________
(b) Are the angles marked with green equal? ________
(c) Are the angles marked with blue equal? ________

Ans. (a) Yes, the angles marked with yellow are equal.
(b) Yes, the angles marked with green are equal.
(c) 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 the other colours.

Ans. Yes, the marked in yellow is the same as the red one. Other angles which are the same as the one marked in red are marked red in the figure.

4. Sukhman made this picture with so many angles.

Use colour pencils to mark
1. Right angles with black colour.
2. Angles which are more than a right angle with green.
3. Angles which are less than a right angle with blue.
Ans. (1) In the above figures right angles are marked with letter ’R’.
(2) Angles which are more than a right angle are marked with letter ‘M’.
(3) Angles which are less than a right angle marked with letter ‘L’.

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

Ans.

6.

These are two slide in a park.
1. Which slide has a larger angle?
2. Which slide do you think is safer for the little boy? Why?
Ans. (1) The slide on the left side has a larger angle.
(2) The slide on the right side is safer for the little boy because of its smaller angle.

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

Ans. Let these watches be marked as (a), (b), (c), (d)and(e) as shown above. The time given in the following table.

 

 

Question. In the given figure, a rectangle, triangle and circle overlap, and the different regions formed are numbered 1 to 7. For example, region 1 is in the rectangle, but not in the circle or triangle. How many regions are in exactly 2 shapes?

(a) 2
(b) 3
(c) 4
(d) 5

Answer : B

Question. At which point will the lines shown in the given image meet when extended?

(a) A
(b) B
(c) C
(d) D

Answer : C

Question. Kevin draws a four-sided closed figure in his notebook and describes it as follows: 'It has EXACTLY one pair of equal sides. Which of the following could be Kevin's figure?

Answer : A

Question. When Madhu draws 3 horizontal lines over 2 vertical lines as shown, the total number of meeting points is 6. Which of the following arrangements will have 200 meeting points ?

(a) 10 horizontal, 20 vertical
(b) 20 horizontal, 20 vertical
(c) 150 horizontal, 50 vertical
(d) 100 horizontal, 100 vertical

Answer : A

Question. A solid object, when seen from one side, looks like this:

Answer : C

Question. Which of the following angles is closest to a right angle?

Answer : A

Question. How many right angles are there in this polygon?

(a) 3
(b) 2
(c) 1
(d) 0

Answer : B

Question. How many centimetres long is this line?

(a) 2.07
(b) 2.7
(c) 2.52
(d) 2.3

Answer : B

Question. A rectangle is a 4-sided closed figure with straight sides in which the opposite sides are equal and the angles are right angles.
Which of these shapes CANNOT be called a rectangle?

Answer : D

Question. Which two angles have equal degree measures?

(a) Q and R
(b) R and S
(c) Q and S
(d) P and S 

Answer : D

Question. A sheet of paper is folded once. 
How should this folded sheet be cut so that the piece CUT OUT is a square?

Answer : B

Question. Mini has 4 pairs of tiles.
Which pair of tiles can she use to EXACTLY cover the board shown below? (the tiles can't be broken or cut)

(a) TYPE 1
(b) TYPE 2
(c) TYPE 3
(d) TYPE 4

Answer : D

Question. In how many different ways can you move from square X to square Y through the grid in exactly 4 steps. If moving diagonally is also allowed.

(a) 6
(b) 8
(c) 10
(d) more than 10

Answer : D

Question. Which of the following pair of shapes when joined together (by placing them edge to edge) can form a SQUARE? (The shapes can be turned if required)

Answer : B

Question. A figure is drawn on a piece of squared paper:
What is the length of the border of this figure?

(a) 9 units
(b) 18 units
(c) 20 units
(d) 36 units

Answer : C

Question. Which of the angles below is nearest in measure to the one formed by the boy's arms?

Answer : D