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E:\Working\Focus_Learning\Math_Genius_5_(05-10-2023)\Open_Files\CHAP_06
\\November 23, 2023 10:09 AM Surender Prajapati Proof 5 Reader _________________________ Date: ___________________74

Chapter assessment
1. Choose the correct option:

(a) Each of the following is smaller than a straight angle, except:
(i) acute angle (ii) obtuse angle (iii) reflex angle (iv) right angle
(b) How many degrees does the minute hand of a clock turn through in one hour?
(i) 90° (ii) 180° (iii) 270° (iv) 360°
(c) 2 complete angles have

(i) 4 right angles (ii) 3 right angles (iii) 6 right angles (iv) 8 right angles
(d) The maximum number of points of intersection of two non-parallel lines is
(i) 1 (ii) 2 (iii) 3 (iv) infinite
2. In the given figure, name the following: D C
(a) Any five points (b) Any three rays O

(c) Any four line segments (d) Any two lines
A B
3. Write the name of five line segments in the given figure.

A B C D E a

4. In the adjoining figure, name all pairs of: Z W C B b
(a) intersecting lines Y A c

(b) parallel lines X O
p
5. In the following figure, numerals are used to name angles, q
e.g., ∠1 = ∠AOB. give the full names for the following D r
angles: C
(a) ∠1 + ∠2 (b) ∠1 + ∠3 3 B

(c) ∠2 + ∠3 (d) ∠1 + ∠2 + ∠3 2
1
6. Which pairs of lines are parallel lines and intersecting lines in each O A
of the following english letters.

(a) (b) q r (c)
l p s

c

n
p a b
7. In the following figure: P
(a) Identify three triangles in the figure.

(b) Write the names of seven angles. S
(c) Write the names of six line segments.
(d) Which two triangles have ∠S as common? Q R

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