If a letter is chosen at random from the letters of the word MISSION, what is the probability
that it is ; (a) S (b) O (c) neither I or O. (3 marks)
- An arc BC subtends an angle of 144° at the centre O of a circle of radius 10 cm .
Find(i) the length of arc BC (ii) the area of the sector BOC. ( 3 marks) - Tangent segments AB and AC are drawn to circle Z from A. DE is tangent to the circle at F.
Prove that ADE has a perimeter equal to AB + AC. (3 marks