4MA0 Higher June 2014 Paper 3 Q16
16 AEC and DEB are chords of a circle.

Diagram NOT accurately drawn
\(AE = 4\) cm.
\(CE = 9\) cm.
\(DE = BE = x\) cm.
Calculate the value of \(x\).
(2)
| Scheme | Marks |
|---|---|
\((x \times x =)\ 4 \times 9\) (=36) \(x = \sqrt{36}\) | M1 |
| 6 | A1 |
| (2 marks) |
Notes
M1: for 4 × 9 or 36
A1: accept – 6