Jawab:
r ling. O = 314/3.14×r²
= 100
r = 10 cm
perbandingan O & P
= 10 : 16
= 5: 8
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Jawab:
r ling. O = 314/3.14×r²
= 100
r = 10 cm
perbandingan O & P
= 10 : 16
= 5: 8