GIVE REASONS FOR YOUR STATEMENTS AND CALCULATIONS IN QUESTIONS 8, 9, 10 AND 11.
8.1 Complete: The line drawn from the centre of the circle perpendicular to the chord … (1)
8.2 In the figure below, AB and CD are chords of the circle with centre O. OE ┴ AB. CF = FD. OE = 4 cm, OF = 3 cm and CD = 8 cm.
8.2.1 Calculate the length of OD. (3)
8.2.2 Hence calculate the length of AB. (4)
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