Higher November 2018 Paper 1 Q4
4. A sphere has a radius of \(\dfrac{3}{4}\) metre.
Work out the surface area of the sphere.
Give your answer in its simplest form as a multiple of \(\pi\). [2]
| Scheme | Marks | Comments |
|---|---|---|
| \(4\pi\left(\dfrac{3}{4}\right)^2\) | M1 | Allow the omission of the brackets |
| \(\dfrac{9}{4}\pi\) or \(2.25\pi\) or \(2\dfrac{1}{4}\pi\) | A1 | Or an equivalent multiple of \(\pi\); mark final answer |
| (2) |