Keliling lingkaran yang luasnya 2.464 cm² adalah....cm brainly????

L = pi x r^2
2464 = 22/7 x r^2
2464 ÷ 22/7 = r^2
r^2 = 2464 x 7/22
r^2 = 784
r = akar 784
r = 28 cm


K = 2 x pi x r
K = 2 x 22/7 x 28
K =2 x 22 x 4
K = 176 cm

^ = pangkat