Jawapan

2016-09-21T21:27:51+08:00
Cari luas segi 4 , 6 x 4 =24m ,20/100 x 6 = 1.2m, 20/100 x 4 = 0.8 m, luas= (6 + 1.2) x (4 +0.8 ) = 34.56m , 24/34.56 x 100 = 69.44%