9th Class Mathematics Chapter 9 TestUNIT 9: Similar Figures

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

1. In an equilateral triangle, what is the measure of each angle?

   1. 

   2. 

   3. 

   4. 

2. What is the condition for two polygons to be similar?

   1. Corresponding angles are equal and Corresponding sides are equal

   2. Corresponding angles are equal and Corresponding sides are proportional

   3. Corresponding angles are proportional and Corresponding sides are equal

   4. Corresponding angles are proportional and Corresponding sides are proportional

3. What is the measure of each interior angle of a regular pentagon?

   1. 

   2. 

   3. 

   4. 

4. Example of similar ...................:

   1. Scalene triangle

   2. Acute angle triangle

   3. Equilateral triangle

   4. Obtuse angle triangle

5. Formula use for exterior angle of polygon:

   1. 

   2. 

   3. 

   4. None of these

6. The total number of diagonals in a polygon with 9 sides is:

   1. 18

   2. 21

   3. 25

   4. 27

7. A regular polygon has an exterior angle of 30^o. How many diagonals does the polygon have?

   1. 54

   2. 90

   3. 72

   4. 108

8. The ratio of the areas of two similar polygons is:

   1. Equal to the ratio of their perimeters

   2. Equal to the square of the ratio of their corresponding sides

   3. Equal to the cube of the ratio of their corresponding sides

   4. Equal to the sum of their corresponding sides

9. ABC and DEF are similar than written as symbolically:

   1. 

   2. 

   3. 

   4. 

10. What is the sum of exterior angle of any polygon?

    1. 

    2. 

    3. 

    4.