Jawapan

2016-04-29T14:54:06+08:00
Diagonal of rectangle need to use phytagoras theorem...

so,
diagonal length is equal of the square root of the sum of the sides squared..

d² = 6²+6.3²
d² = 36 + 39.69
d² = 75.69
d = √75.69
diagonal length = 8.7 cm