Adalahhhh……abcatau d​

K = πd

157 = 3,14d

3,14d = 157

d = 157 ÷ 3,14

d = 50

r = 50/2

r = 25 cm

CMIIW

r = K ÷ (2 × π)

=> 157 ÷ (2 × 3,14)

=> 157 ÷ 6,28

=> 25 cm atau opsi C