Verified Answer :

meerkat18

The area of the sector (As) of a circle may be calculated by the formula,
                                     As = (a / 360) x π x r²
where a is the measure of angle in degrees and r is the radius. Substituting the known values, 
                                    As = (18 / 360) x 3.14 x (4²) = 2.512
Thus, the area of the sector is approximately 2.512 squared units.

Ckaranja

Area of a sector;
A=\(\frac{∅}{360} \pi r^{2}\)
A=\(\frac{18}{360} *3.14* 4^{2}\)
A=2.512 square units.

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