Foundation November 2017 Paper 2 Q15

OCRFoundationCurrent spec2 marksCircles & Sectors

15 The diagram shows a circle, centre O.

Circle with centre O. Line A touches the circle at one point. A chord cuts off the shaded region B at the bottom of the circle

Write down the mathematical name of

(a) line A, [1]
(b) shaded region B. [1]