1.2.2.1 Express, giving reasons, QS in terms of x.
1.2.2.2 If x = V12 and MS = 1 unit, calculate the length of the radius of
the circle.
1.2.2.3 Calculate, giving reasons, the size of M2
![1221 Express giving reasons QS in terms of x 1222 If x V12 and MS 1 unit calculate the length of the radius of the circle 1223 Calculate giving reasons the size class=](https://us-static.z-dn.net/files/d92/c2a93ab91c6772273a17ee5ebb962d7c.png)