ICSE Board Practice

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ICSE Grade VII - Lines and Angles

Question 1

1.	Find the exterior angles in the given figure
	∠1 , ∠2 , ∠7 , ∠8 ∠3 , ∠6 ; ∠4 , ∠5 ∠1 , ∠2 ; ∠2 , ∠4 ; ∠4 , ∠3 ; ∠3 , ∠1 ; ∠5 , ∠6 ; ∠6 , ∠8 ; ∠8 , ∠7 ; ∠7 , ∠5 ∠3 , ∠5 ; ∠4 , ∠6 ∠1 , ∠8 ; ∠2 , ∠7

Question 2

2.	If l ∥ m, which of the given figures is correct?
	I IV II III

Question 3

3.	Which of the following angles form a linear pair?
	(∠AOB,∠BOC) (∠BOC,∠COD) (∠COD,∠DOE) (∠DOE,∠EOF) (∠EOF,∠FOA)

Question 4

4.	Which of the given figures is wrong?
	III IV I II

Question 5

5.	Add   34 °   19 '   37 "   and   5 °   39 '   49 "
	49 °   59 '   26 " 40 °   9 '   26 " 24 °   49 '   26 " 39 °   59 '   26 " 39 °   59 '   36 "

Question 6

6.	Find the corresponding angles in the given figure
	∠3 , ∠6 ; ∠4 , ∠5 ∠3 , ∠4 , ∠5 , ∠6 ∠1 , ∠4 ; ∠2 , ∠3 ; ∠5 , ∠8 ; ∠6 , ∠7 ∠1 , ∠2 ; ∠2 , ∠4 ; ∠4 , ∠3 ; ∠3 , ∠1 ; ∠5 , ∠6 ; ∠6 , ∠8 ; ∠8 , ∠7 ; ∠7 , ∠5 ∠1 , ∠5 ; ∠2 , ∠6 ; ∠3 , ∠7 ; ∠4 , ∠8

Question 7

7.	What fraction of clockwise revolution does the hour hand of a clock covers, when it goes from 3 to 4?
	1 14 1 12 1 4 1 10 ( -1 12 )

Question 8

8.	Find the interior angles in the given figure
	∠1 , ∠2 , ∠7 , ∠8 ∠3 , ∠4 , ∠5 , ∠6 ∠3 , ∠6 ; ∠4 , ∠5 ∠1 , ∠8 ; ∠2 , ∠7 ∠3 , ∠5 ; ∠4 , ∠6

Question 9

9.	State the type of angle between the two hands of the clock when the time is 11 A.M.
	straight angle zero angle right angle complete angle acute angle

Question 10

10.	The following angle represents
	complete angle obtuse angle right angle zero angle reflex angle

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