novamd27
6. keliling lingkaran = 12π πd= 12π d = 12cm 7. keliling lingkaran = 36π πd = 36π d = 36 meter r = 1/2 d r = 1/2 . 36 r = 18m 8. keliling roda = 22cm πd = 22 22/7 . d = 22 d = 22 . 7/22 d = 7 cm 9. keliling lingkaran = 484 πd = 484 22/7 . d = 484 d = 484 . 7/22 d = 154 cm r = 77 cm 10. keliling lingkaran = 3500 2πr = 3500 2 . 22/7 . r = 3500 r = 3500 . 7/44 r = 556,82 m
πd= 12π
d = 12cm
7. keliling lingkaran = 36π
πd = 36π
d = 36 meter
r = 1/2 d
r = 1/2 . 36
r = 18m
8. keliling roda = 22cm
πd = 22
22/7 . d = 22
d = 22 . 7/22
d = 7 cm
9. keliling lingkaran = 484
πd = 484
22/7 . d = 484
d = 484 . 7/22
d = 154 cm
r = 77 cm
10. keliling lingkaran = 3500
2πr = 3500
2 . 22/7 . r = 3500
r = 3500 . 7/44
r = 556,82 m