4MA0 Foundation January 2016 Paper 2 Q2

2

Circle centre C with radii CA and CB; angle x at C between them

A and B are points on a circle, centre C.
AC = BC.

(a)
(i) Measure the size of angle \(x\).
(ii) Write down the mathematical name for angle \(x\).
(2)
(b) Write down the mathematical name for triangle ABC. (1)