Jawabanmu

Jawaban paling cerdas!
2014-06-01T22:14:21+07:00
 x^{2}  =  20^{2} - 12^{2} = 400 - 144 = 256
x =  \sqrt{256} = 16 cm
r2 = 16 cm - 10 cm = 6cm
makasih yaa:)
okee
tolong jadikan jawaban terbaik ya.. thanks