B
1099
359
28°
D
E
A, B, C, D and E lie on the circle, centre 0.
Angle AEB = 35°, angle ODE = 28° and angle ACD = 109.
(a) Work out the following angles, giving reasons for your answers.
(i) Angle EBD =
because
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x