ICSE Board Practice

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ICSE Grade IX - Triangles

Question 1

1.	In the given figure, which of the following is true?
	△HKJ ≅ △HIJ △HJK ≅ △HIJ △HJK ≅ △JHI △HJK ≅ △HJI △HKJ ≅ △IJH

Question 2

2.	With the data in the figure, △IOJ ≅ △KOL by which property?
	SSS Congruency ASA Congruency SAS Congruency not congruent RHS Congruency

Question 3

3.	In the given figure, calculate the value of x.
	x = 69.9° x = 66.9° x = 65.9° x = 68.9° x = 67.9°

Question 4

4.	In  △EFG, if ∠E = 90° and ∠F = ∠G, find the measure of each of the equal angles of the triangle
	44° 46° 43° 45° 47°

Question 5

5.	With the data in the figure, △BCE ≅ △CBD by which property?
	not congruent ASA Congruency SAS Congruency SSS Congruency RHS Congruency

Question 6

6.	With the data in the given figure, △PQS ≅ △RQS by which property?
	RHS Congruency SSS Congruency SAS Congruency ASA Congruency not congruent

Question 7

7.	In the given figure, find the values of x and y.
	x = 120.07° , y = 63.93° x = 116.07° , y = 59.93° x = 119.07° , y = 62.93° x = 118.07° , y = 61.93° x = 117.07° , y = 60.93°

Question 8

8.	Find the unknown angle in the following figure
	x = 137° x = 136° x = 133° x = 134° x = 135°

Question 9

9.	Which of the following are measures of an isosceles triangle ?
	∠B = 85.98° , ∠C = 47.01° , ∠D = 47.01° ∠B = 41.8° , ∠C = 91.04° , ∠D = 47.16° ∠B = 47.49° , ∠C = 90° , ∠D = 42.51° ∠B = 60° , ∠C = 60° , ∠D = 60° ∠B = 62.96° , ∠C = 72.62° , ∠D = 44.42°

Question 10

10.	The altitude corresponding to the side   OM
	OR       NQ       MQ       MN       MP

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