Specimen 2020 Paper 2 Q2
2 A circle, centre (0, 0) has circumference \(20\pi\)
Work out the equation of the circle. [2 marks]
| Answer | Mark | Comments |
|---|---|---|
| \(x^2 + y^2 = 100\) or \(x^2 + y^2 = 10^2\) | B2 | B1 radius = 10 |
2 A circle, centre (0, 0) has circumference \(20\pi\)
Work out the equation of the circle. [2 marks]
| Answer | Mark | Comments |
|---|---|---|
| \(x^2 + y^2 = 100\) or \(x^2 + y^2 = 10^2\) | B2 | B1 radius = 10 |