" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
AB = (66 × 2)/12 = 11
BC = akar 16^2 + 12^2 = akar (256+ 144) = akar 400 = 20
CB = akar 12^2 + 5^2 = akar (25+ 144) = akar 169 = 13
keliling = 11+20+13=44