4MA0 Foundation June 2015 Paper 2R Q3
3 The diagram shows a circle with centre \(O\).
The points \(A\) and \(B\) lie on the circle.

(a) At the point \(B\), draw a tangent to the circle. (1)
(b) Mark on the diagram a reflex angle.
Label this angle \(R\). (1)
Label this angle \(R\). (1)
(c) Write down the mathematical name of the line \(OB\). (1)
(d) Shade a segment of the circle. (1)
| Scheme | Marks |
|---|---|
| tangent at \(B\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| any reflex angle marked | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| radius | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| segment shaded | B1 |
| (1) | |
| Total 4 marks |