MATHEMATICS FORM 3 ( KBAT QUESTIONS) CHAPTER 1 : LINES & ANGLES 1. Find the value of the unknowns in the following figures. a. c. b. d. 2. In the diagram, CDE is a straight line. CDF = 310 and refles BAD = 3020 . (a) Calculate ADF (b) Given that CAD is 3 times ADF , calculate ACD . Answers : (a) (d) (b) (2) (c) CHAPTER 2 : POLYGONS II ( KBAT Questions ) 1. Each exterior angle of a regular polygon is 1200 less than each of its interior angle. How many sides does the polygon have ? 2. Each exterior angle of a regular polygon with 20 sides is 120 less than each exterior angle of a regular polygon with n sides. Calculate the value of n. 3. 4. Answers : 1. n=12 sides 2. n = 12 sides 3. a. n= 15 b. BPT = 96 C. TPC = 120 4. a. BAC = 12 b. CBE = 24 c. CYE = 36