Foundation January 2019 Paper 1R Q18
18

Diagram NOT accurately drawn
In triangle \(PQR\),
\(S\) is the point on \(PR\) such that angle \(RSQ = 90^\circ\)
\(RQ = 14\) cm
\(RS = 10\) cm
\(SP = 5\) cm
Work out the length of \(PQ\).
(4)
| Scheme | Marks |
|---|---|
| \(14^2 - 10^2\) (= 96) | M1 |
| “96”+ \(5^2\) (= 121) | M1 |
| \(\sqrt{\text{``}{121}\text{''}}\) | M1 |
| 11 | A1 |
| (4) | |
| (4 marks) |