tolong yang bisa di jawab ya pliss

1.
p = n . r + phi . d
p = 12 . 7 + 22/7 (14)
p = 84 + 44
p = 128

2.
p = n . r + phi . d
p = 12 . 10 + 3,14 x 20
p = 120 + 62,8
p = 182,8