Question

calcular el area de un sector circular de 45 grados y 12 cm de radio

Answer 1

area del sector cicular = π*r²α/360°
π= 3,1416
r = 12cm
α= 45°
a = πr²α/360°
a = 3,1416 *12*12*45°/360°
a =56,5488cm²