Jawabanmu

Jawaban paling cerdas!
2014-03-03T12:42:26+07:00
K = 2phi r
88 = 2 . 22/7 . r
88= 44/7 .r
r = 88 . 7/44
r= 14

L = phi. r^2
L = 22/7 . 14 . 14
L= 616
1 5 1
2014-03-03T13:45:09+07:00
K = 2 phi r kuadrat 88= 2. 22/7 .r r = 88.22/7 r= 14 luas : phi.r2 22/7.14.14 1756 cm