dareenyoussef2 dareenyoussef2 26-06-2024 Mathematics Answered Here is a circle, centre O.A, B, C and D are points on the circumference of the circle.B unknownC is (4x-10)°A is (3x-13)°D is (3x+11)°a) Show that 7x - 23 = 180Give a reason to support your working.