Jawabanmu

2014-04-27T20:05:11+07:00
150 : 30 x 2 = 10, luas : diagonal 1 x 2
2014-04-27T20:07:41+07:00
L=d1√ód2/2 150=30.d2 / 2 300=30.d2 d2 =300/30 = 10