" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
t.sisi tegak = akar dr 6²+8²
= akar dr 36+64
= √100
= 10 cm
jadi, jumlah L sisi tegak = 4.L sisi tegak
= 4.1/2.a.t
= 4.1/2.12.10
= 240 cm²