Question

calcula el area y el perimetro de un sector circular de 180º y radio de 1 m

Answer 1

180/360 = 0.5

Perímetro = {(2π r)*0.5} +2r = (π*r) +2r
P = (3.1416*1) + (2*1) = 3.1416 + 2 = 5.1416 m

Area = (π * r²)*0.5
A = (3.1416*1²)*0.5
A = 3.1416*0.5 = 1.5708 m²