Jawabanmu

2014-04-15T17:09:57+07:00
16a2:2=4a

Keliling = 4xs = 4x4a= 16a

Semoga membantu :)
1 3 1
2014-04-15T17:10:29+07:00
L = sisi x sisi
16a ^{2} = sisi ^{2}
4a = sisi

keliling = 4 x 4a = 16a