Tolong yaa cewjlhcweojhcoewjixewjbmn

L1= 1/2xaxt
= 1/2x26x10=130(masing" ditembak)
L2= sxs
= 18x18=324
luas gabungan =L1+L2
=130+324= 454

Lsegitiga = 1/2 x a x t
                = 1/2 x 26 x 10=130
Lpersegi= sxs
= 18 x18=324
jadi luas bangun gabung tsb
=130+324= 454