L permukaan limas: L alas+L sisi tegak
=21x7+½x2x(21+7)x28
=147+784
=931 cm²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
L permukaan limas: L alas+L sisi tegak
=21x7+½x2x(21+7)x28
=147+784
=931 cm²