Jawabanmu

2014-01-14T20:31:36+07:00
S = 8

Luas =  s^{2} =  8^{2}  = 64 cm^{2}

Kelling = 4s = 4 x 8 = 32 cm

Diagonal =  \sqrt{ 8^{2} +  8^{2}  } = \sqrt{128} = 8 \sqrt{2} cm