Question 22```In the diagram below, rectangle OABC is enlarged into rectangle OA1B1C1 from centre O.
```In the diagram below, rectangle OABC is enlarged into rectangle OA1B1C1 from centre O.

|OC|=5cm, |OA|=2cm and |AA1| = 1cm
Use the diagram to answer Questions 21 and 22```
Calculate OC1
Objective