1. (a) Using a ruler and compass only, construct a triangle ABC such that AB = 5 cm, ∠ABC = 75° and the radius of the circumcircle of triangle ABC is 3·5 cm. On the same diagram, construct a circle, touching AB at its middle point, and also touching the side AC.   Hint First letter clue   2. (b) The marks obtained by 200 students in an examination are given below: Marks Number of students 0 - 10 05 10 - 20 10 20 - 30 11 30 - 40 20 40 - 50 27 50 - 60 38 60 - 70 40 70 - 80 29 80 - 90 14 90 - 100 06 Using a graph paper, draw an Ogive for the above distribution. Use your Ogive to estimate:- (i) the Median   First letter clue