Question

the points a, b and c lie on the circle, centre o
bc is a straight line.
if ab = 4.5 cm and ac =7.3 cm find
bac

Answer 1

the points a, b and c lie on the circle, centre o bc is a straight line. if ab = 4.5 cm and ac = 7.3 cm find bac

$$b c = \sqrt {4 . 5 ^ {2} + 7 . 3 ^ {2}} = 8. 5 7 5$$