Question

R : ?
d : 20cm
k : ?

Pakai caranya yang betul ya

Answer 1

R = 20 ÷ 2
r = 10 cm
_________
K = π x d
K = 3,14 x 20
K = 62,8 cm



Semoga Bermanfaat
Terima Kasih \\^_^//
❤❤❤

Answer 2

R = 1/2 x d
r = 1/2 x 20
r = 10
k = 2πr
k = 2 x 3,14 x 10
k = 20 x 3,14
k = 62,8