Find the area of the sector of a circle with radius 4 cm and angle 30°. |
7.186 cm2 6.186 cm2 4.186 cm2 5.186 cm2 |
4.186 cm2 |
We know that, Area = \(\frac{ θ }{360°}\)πr2 Radius = 4 cm Angle = 30° Area = πr2 θ/360° = 3.14 x 42 x \(\frac{ θ }{360°}\) = 3.14 x \(\frac{ 4 }{3}\) = 4.186 cm |