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\ 07-Nov-2024 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

3. How many line segments can be drawn using four dots?

A B

C D
4. Draw the angles of the following measurements with the help of a protractor. Bisect each of them.
(a) 20° (b) 110° (c) 198° (d) 230° (e) 112°
5. In the given picture, find out places where angles have formed. Measure the angles and classify
them as acute, obtuse or right angles.
A B

F C
E D

G H
6. Write your name on a sheet of paper using a STENCIL and note down the alphabets that form different
angles?
7. In the given figure,
A D

E

B C
(a) Name any four angles that appear to be acute angles.
(b) Name any two angles that appear to be obtuse angles.
(c) Mark a reflex angle with vertex E.

8. The national flag of India, colloquially called Tiraṅgā
(the tricolour), is a horizontal rectangular tricolour
flag, the colours being deep saffron, white and dark
green; with the Ashoka Chakra, a 24-spoke wheel, in Case study
navy blue at its centre. It was adopted in its present
form during a meeting of the constituent assembly
held on 22 July 1947, and it became the official flag of
the Union of India on 15 August 1947. The flag was
subsequently retained as that of the Republic of India.
Based on the above information answer the following questions.

(a) How many rectangles in all do you see in the national flag of India?
(b) What is the measure of angle formed between two consecutive spokes of Ashoka Chakra?

(c) Count the number of right angles formed by a pair of spokes in the Ashoka Chakra.
(d) How many pairs of parallel lines are there in the flag?

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