The circle has radius 5cm are chord PQ of the circle is of length 8cm.find the angle the chord PQ subtends at the centre of the circle and the perimeter of the minor segment

Answer 1

Draw the diagram. The angle θ subtended by PQ can be found using
sin(θ/2) = 4/5

p = PQ + rθ = 8+5θ

Answer 2

Answer