Question

Ab is a chord of a circle with centre o and radius 4 cm ab is of length 4 cm

Answer 1

Step-by-step explanation:

$4 \sqrt{2}$

Answer 2

Step-by-step explanation:

Radius of circle r = 4cm = OA = OB

Length of chord AB = 4cm

OAB is equilateral triangle ∠AOB = 60° ⟶ θ

Angle subtended at centre θ= 60°

Area of segment (shaded region) = (area of sector) – (area of ΔAOB)

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