(Sample Question Paper) CBSE Class IX Year 2011 Mathematics (Trigonometry)

Sample Question Paper Year 2011
CBSE Class IX
Subject: Mathematics

Topic: Trigonometry

1. One angle is equal to four times of its supplement. The measures of the angle is:
(a) 36^o
(b) 108^o
(c)144^o
(d) 90^o

2. If equals are subtracted from equals, then the remainders are :
(a) equal
(b) unequal
(c) less
(d) greater

3.The number in which all the digits after the decimal point are repeated is called:
(a) rational number
(b) terminating decimal
(c) recurring decimal
(d) negative rational

4. The sides of a triangle are in the ration of 13 : 14 : 15 and its perimeter is 84 cm. Find the area of the triangle.

5. Locate the point P(2, 4), Q(4, 2), R(4, -3), S(-3,4) on the graph paper and join them to recognize the figure.

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