R = 7 cmK = 2 π r = 2 x 22/7 x 7 = 44 cm
Keliling=2πr2.(kali)22/(bagi)7.7=44cm. kalau ngga salah hehe^^V |
indirakusuma indirakusuma
R = 7 cmK = 2 π r = 2 x 22/7 x 7 = 44 cm
ratukhairul1 ratukhairul1
Keliling=2πr2.(kali)22/(bagi)7.7=44cm. kalau ngga salah hehe^^V |