OAB is a sector of a circle. The area of OAB is 14 mm².
Calculate the central angle, 0, to 1 d.p.
B
4.3 mm
20
![OAB is a sector of a circle The area of OAB is 14 mm Calculate the central angle 0 to 1 dp B 43 mm 20 class=](https://us-static.z-dn.net/files/df0/ab9fc09403f9d0706ed7f8d61135e892.png)