ICSE Board Practice

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ICSE Grade VII - Lines and Angles

Question 1

1.	Which of the following figures represent an angle?
	fig 5 fig 2 fig 3 fig 4 fig 1

Question 2

2.	Subtract   25 °   25 '   5 "   from   25 °   26 '   16 "
	15 °   8 '   49 " 11 '   11 " 10 °   1 '   11 " 1 '   11 " 1 '   21 "

Question 3

3.	Which of the following are true?
	a) If   k ⟂ l   and   k ⟂ m   , then   l ⟂ m b) If two lines are parallel to the same line, then they are perpendicular to each other c) If   k ∥ l   and   l ∥ m   , then   k ∥ m d) If two lines are parallel to the same line, then they are parallel to each other e) If   k ⟂ l   and   l ⟂ m   , then   k ⟂ m
	{b,d,c} {c,d} {e,a,c} {a,c} {b,d}

Question 4

4.	The following angle represents
	acute angle straight angle obtuse angle complete angle right angle

Question 5

5.	Which of the following is a straight angle?
	201° 134° 0° 180° 360°

Question 6

6.	Identify the figure below
	heptagon decagon quadrilateral angle line

Question 7

7.	In the given figure l ∥ m. Find the value of 'y'
	16 15 14 13 11

Question 8

8.	Where will the hour hand of a clock stop, if it starts from 8 and makes 7 12 of a revolution clockwise?
	5 2 4 3 0

Question 9

9.	Find the supplementary angles pair in the following
	191°,39° 151°,19° 201°,49° 171°,29° 161°,19°

Question 10

10.	In the given figure, l ∥ m and n ∥ o and p ∥ q . Find the values of {b,c,d,e,f,g}
	31 ° , 69 ° , 80 ° , 31 ° , 69 ° , 80 ° 31 ° , 80 ° , 80 ° , 69 ° , 69 ° , 31 ° 80 ° , 31 ° , 69 ° , 80 ° , 31 ° , 69 ° 80 ° , 31 ° , 69 ° , 31 ° , 69 ° , 80 ° 69 ° , 80 ° , 31 ° , 69 ° , 80 ° , 31 °

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