keliling lingkaran yg memiliki luas 314 cm kubik adalah

Luas = πr²
314 = 3,14 r²
100 = r²
10 = r

Keliling = 2πr = 2 3,14 10 = 62,8 cm

L ling = π × r × r
314 = 3,14 × r²
100 = r²
10 = r

d = 2r
K ling = π × d
K ling = 3,14 × 2(10)
K ling = 3,14 × 20
K ling = 62,8 cm