maths circle
posted by anchal on .
A chord of length 10 cm divides a circle of radius 5root2 cm in two segments. find the area of minor segment.

You know that the area of a segment is
a = 1/2 r^2 (θsinθ)
Draw a diagram. It is clear that
sin θ/2 = 5/5√2, so θ/2 = π/4
Now plug and chug