" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
12×5/2=30 cm2
L=√s(s-a)(s-b)(s-c)
=√15(15-13)(15-12)(15-5)
=√15.2.3.10
=√3.5.2.3.5.2
=3.5.2
=30 cm2