a sector of a circle of radius 3in has an area of 25in^2 . find the central angle of the sector. do not round any intermediate computations. round your answer to the nearest tenth.



Answer :

The Central angle of Sector is 305.73° . The Central angle of sector is defined as the angle formed by two radii.

The Sector Area of a circle is the amount of space enclosed within the sector boundary. A sector always starts from the center of the circle. A circle sector is defined as the portion of the circle bounded between two radii and their adjacent arcs.

Mathematically, A = (θ/360°) × π r²

where, A---> area of sector of circle

θ----> Central angle of sector

r ----> radius of circle

pi (π) = 3.14

we have, Radius of circle (r) = 3 inch

Area of sector of circle (A) = 24 inch²

we have to find out the value of central angle of Sector .

putting the values in above formula we get,

24 = (θ/360°) × 3.14 ×(3)²

=> θ/360° = 24/28.26 = 0.849

=> θ = 360×0.849 = 305.73°

Hence, Central angle of sector is 305.73° ..

To learn more about Circle Sector, refer:

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