Bunuel wrote:
In the figure below, O is the center of the circle. If the area of the sector containing the angle x° is 2π, what is the value of x?
(A) 22.5
(B) 30.0
(C) 45.0
(D) 60.0
(E) 90.0
[Reveal] Spoiler:
Given;
\(C^{\circ} = x^{\circ}\) ------------(\(C^{\circ}\) is the Central Angle)
Area of Sector\(= 2\pi\)
Radius\(= 4\)
Area of Sector\( =\pi(r^2)\frac{C^{\circ}}{360^{\circ}} \)
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