" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
54-(2x17)=
54-34 = 20 cm :2
AB= 10 cm
Diagonal BD = 8 cm x 2 = 16 cm
OC = 15 cm
luas = 16 x 21
2
luas = 168 cm²
20 = 2x
10 = x
BD=
CO=
= 15
x 21 x 16
=168