Here is 9th grade math worksheet4.

1.Find the area of the shaded region. (A) 35 m2 (B) 15 m2 (C) 25 m2

2.Solve log ₆ 2x - log ₆ (x + 1) = 0

 (A) 0 (B) 1 (C) 2

3.The number of girls in a village who attended tailoring classes was 45, he number of girls who attended classes on gardening was 70. If 30 of these attended both the classes find how many totally attended either of these classes.

 (A) 85 (B) 55 (C) 45

4.If the values of a - b and ab are 6 and 40 respectively, find the values of a² + b²

 (A) 116 (B) 120 (C) 105

5.Two non intersecting lines are called _____________

 (A) perpendicular lines (B) parallel lines (C) None of these

6.Find the value of x and y in the below picture (A) 75°,105 ° (B) 80°,100 ° (C) 0°,90°

7.If n(A) = 5,find n[p(A)]

 (A) 64 (B) 16 (C) 32

8.If no sides of a triangle are of equal length, then the triangle is called ____________ triangle

 (A) Equilateral (B) Scalene (C) Isosceles

9.If 2 sin (A + B) = √3 and √2cos B = 1,find A and B.

 (A) A=15°, B=45° (B) A=30°, B=30° (C) A=25°, B=45°

10. Two adjacent angles are said to be complementary angles if the sum of their measures is ______

 (A) 0° (B) 180° (C) 90° 1.   25 m²

2.   1

3.   85

4.   116

5.   parallel lines

6.   75°,105 °

7.   32

8.   Scalene

9.   A=15°, B=45°

10.  90° 