" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Lpersegi + L. persegi panjang - (2x L. arsir )
= 10. 10 + 12. 5 - ( 2 x 20 )
= 100 + 60 - 40
= 160 - 40
= 120 cm2
60d2=1920
d2=32
keliling=√(30²+16²)4
keliling=34×4=136 cm