" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
AB:BC:AC=1:√3:2
AC=30 cm
AB=15 cm
BC=10√3
keliling=30+10√3+15=45-10√3 cm
luas=1/2×15×10√3=75√3cm²