Jawabanmu

2014-05-29T21:42:31+07:00
A.  panjang diagonal AC = 20, panjang diagonal BC = 15
b. luas belah ketupat = d1 x d2/2 = 20 x 15/2 = 250 cm^2
maaf hasilnya salah, mksud sya 150 cm^2
a. panjang diagonal AC = 20, panjang diagonal BC = 15
b. luas belah ketupat = d1 x d2/2 = 20 x 15/2 = 150 cm^2
2014-05-29T21:47:04+07:00
A. pjg diagonal ac = 20 maka pjg diagonal bd = 15
b. luas = d1.d2/2 = 20.15/2 = 250 cmkuadrat