Mathematics Third Term Mid Term Test for SSS1 2024/25

Objective ( Attempt all questions)

1. The sum of the interior angles of any n sided polygon is equal to

2. The angles of a triangle are x , 2x and 3x . What is the value of x in degrees?

3. If the exterior angles of a quadrilateral are ( y⁰), ( y + 5)⁰, ( y + 10)⁰ and (y + 25)⁰. Find y

4. An isosceles triangle is such that each of the base angles is twice the vertical angle. Find the angles of the triangle

5. Which of these statements is/ are true about the curve of a quadratic equation? ( i) The curve with a repeated root touches the x axis at only one point. (ii) When the curve touches y axis at two different points, we have two different roots. (iii) When the roots of the equation are imaginary, the equation has no solution.

6. If the roots of an equation are x = - 2 and x = ½, find the equation.

7. Which of these is not a condition for congruence of similar triangles?

8. Which of these is the y intercept of the equation 5x² - 4x + 3

9. Which of these is not a closed statement?

10. Which of these is true about the pair of triangles below

Theory (Answer any FIVE questions)

11. Construct the table of values for the equation 4x² - 2x + 5 ( x = -2, - 1, 0, 1, 2, )

12. Obtain the equation of the graph from the figure below

13. Find the interior angle of a regular polygon with 20 sides

14. A regular polygon has angles of size 150⁰ each. (a) How many sides has the polygon? (b) What is the name of the polygon?

15. The base BC of an isosceles triangle ABC is produced to m. If angle ACM is 121⁰, calculate angle A

16. In the figure below, ABCD and CDEF are parallelogram and ABEF is a straight line. (a) If /BE/ = 4cm and /DC/ = 3cm, find/AF/ (b) If /AF/ = 13cm and /BE/ =5cm , find /DC/.