Question

Ab=13 m is the diameter of a circle. a man moves from a in a straight line and meets the circumference of the circle at



c. if ac=5 meters then cb=

Answer 1

Δ ABC is a right triangle [ as diameter subtends an angle of π/2 at any point on the circumference].

∴By using pythagoras theorem,

(AB)²=(AC)²+(BC)²

⇒BC=12