soal kesebangunan, no 4-5 kelas 9

MP= (6 x 60) + ( 24 x 20) /6+ 24
= 360 + 480/30
= 840/30
= 28cm

CD/BD = EC/AB
10/BD = 6/36
10/BD = 1/6
1BD = 10 . 6
BD = 60/1 = 60cm.

tanda ( / ) maksudnya "Per"