KCSE MATHEMATICS QUESTIONS AND ANSWERS ON TRIGONOMETRY 1 FORM 2 LEVEL

KCSE MATHEMATICS QUESTIONS AND ANSWERS ON TRIGONOMETRY 1 FORM 2 LEVEL: Triangle ABC is such that AB = 4 cm, BC = 7 cm and angle ABC = 100°. Calculate to 2 decimal places: (a) the area of triangle ABC; (2 marks) (b) the perimeter of triangle ABC; (4 marks) (c) the size of angle ACB. (4 marks)