Question

Brpa diameter jika keliling 88cm . pakai cara

Answer 1

K = 2  x π x r
88 = 2 x 3,14 x r
88 = 6,28 x r
r   = 88 / 6,28
r   = 14,01

maka :
Diameter = 2 x r = 2 x 14,01 = 28,02 cm

Answer 2

K = pi × d
d = K : pi
= 88 : 22/7
= 88 × 7/22
= 28 cm