hitunglah jari jari lingkaran jika kelilingnya A.44cm,B.616cm,C.628cm

44= πd
→ 44 = 22/7 . d
→ d = 44/22 × 7
→ d = 14
→ r = 7.

616= πd
→ 616 = 22/7 . d
→ d = 616/22 × 7
→ d = 196
→ r = 98

628 = πd
→ 628 = 3,14 . d
→ d = 628/3,14
→ d = 200
→ r = 100