9th Class Mathematics Chapter 9 Test09. Geometry and Polygons

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. In the figure, AB = 21 cm and P divides AB in the ratio 3 : 4. What is length of $\overline{AP}$ ?
   1. 8 cm
   2. 10 cm
   3. 12 cm
   4. 9 cm
2. A regular polygon has exterior angle 15°. Number of sides is:
   1. 20
   2. 21
   3. 24
   4. 25
3. For similar figures, ratio of their areas is equal to:
   1. Ratio of corresponding sides
   2. Square of ratio of corresponding sides
   3. Cube of ratio of sides
   4. Sum of sides
4. A square has perimeter 48 ft. Its side is:
   1. 8 ft
   2. 10 ft
   3. 12 ft
   4. 16 ft
5. In the figure, $\overline{DH}\parallel\overline{EF}$ . Then a : b = ?
   1. DG : DE
   2. DG : DH
   3. DG : GE
   4. DE : EF
6. The locus of points equidistant from two fixed points is the:
   1. Angle bisector
   2. Perpendicular bisector
   3. Median
   4. Diameter
7. Sum of interior angles of a 10-sided polygon is:
   1. 1080°
   2. 1260°
   3. 1440°
   4. 1620°
8. How many sides a regular polygon has if its exterior angle is 15?
   1. 20
   2. 21
   3. 24
   4. 25
9. Rectangles 12 × 16 and 6 × 8 are:
   1. Similar
   2. Not similar
   3. Congruent
   4. Equilateral
10. In similar triangles, corresponding angles are:
    1. Supplementary
    2. Equal
    3. Complementary
    4. Unequal