tolong pake cara yaa mksh

yayayayayayayayayayaayyaaay

k = 2x(p+l)
= 2x (8+5)
= 2x 13
= 26

L = p x l
= 8 x 5
= 40

persegi
k = 4 x s
= 4 x 16
= 64

L = s x s
= 16 x 16
= 256