kelvinpratama
luas bola = 4 phi r²
616 = 4 x 22/7 x r2
616 = 4 x 22/7 x r2
154 = 22 / 7 x r2
r2 = 154 : 22/7
r2 = 154 x 7/22
r2 = 7 x 7
r2 = 49
r = 9 cm
kelvinpratama
616 / 4 lah , karna gk masuk akal kalau di kali , walaupun hasilnya sama
warsonosusi
Jgn ribut dong hd bingung yg bener yg mana
kelvinpratama
kalo jawabanku menurutku 100 persen bener
kalo salah , gurunya ku laporin ke hakim mau :3 ?
kaZafydah
L bola = 4 phi r pangkat2 616 = 4.22/7.r pngkt2 616 kali 7 = 4.22.r"2 4312 = 88.r"2 r"2 = 4312/88 r"2 = 49 r = akar 49 r = 7
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kelvinpratama
luas bola = 4 phi r²
616 = 4 x 22/7 x r2
616 = 4 x 22/7 x r2
154 = 22 / 7 x r2
r2 = 154 : 22/7
r2 = 154 x 7/22
r2 = 7 x 7
r2 = 49
r = 9 cm
616 = 4.22/7.r pngkt2
616 kali 7 = 4.22.r"2
4312 = 88.r"2
r"2 = 4312/88
r"2 = 49
r = akar 49
r = 7