Calculate area and are of the sector which subtend the angle of 120 degrees and radius 7cm use pie as 3.142
2 answers
a = 1/2 r^2θ = 1/2 * 7^2 * 2π/3 = 51.312 cm^2
Calculate the sector of a circle when substend an angle of 120 at the center of a circle with radius 7cm
1 answer