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\ 08-Oct-2025 Bharat Arora Proof-9 Reader’s Sign _______________________ Date __________

3. Look at the clocks shown below. Name the type of angles formed by the hour and
minute hands.
( a) ( b) ( c) ( d)

( e) ( f) ( g) ( h)

4. Using a protractor, determine which angle in each of the following pairs is greater.
Also classify whether the angle is acute, right, obtuse, straight or reflex.

(a) A D (b) D

A B C E F
B C E F
(c) A (d)
Z
N Q

M O P R
B C X Y
5. Using the concept of a compass, fill in the table.

Starting Direction Turns Ending Direction

(a) North Two right angles, clockwise

(b) South Two right angles, anticlockwise
(c) East Four right angles, anticlockwise

(d) West Four right angles, clockwise

(e) North Five right angles, clockwise
1
(f) South Three right angles clockwise, two right angles
clockwise 2
1
(g) West One right angle clockwise, four right angles
anticlockwise 2

Teacher’s Ask the students to take a square sheet of paper and fold it into halves twice. With the help of this, encourage
Tip them to find as many 90° angles as they can in the classroom.

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