Jawabanmu

Jawaban paling cerdas!
2014-05-30T18:43:12+07:00
K= pi x d
88 cm= 22/7 x d
d= 88 : 22/7
d= 28 cm
r= 14cm

L= pi x r^2
= 22/7 x 14 x 14
=616cm2

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