tolong pakai cara no 5
Matematika
anggi2615
Pertanyaan
tolong pakai cara no 5
2 Jawaban
-
1. Jawaban UmiSholekhah
rumus
2.((p.l)+(p.t)+(l.t))
2.((4.2)+(4.1)+(2.1))
2.(8+4+2)
2.(14)
28cm² -
2. Jawaban Vikianugrah
Lp= 2(p×l+p×t+l×t)
= 2(4×2+4×1+2×1)
=2(8+4+2)
=2×14
= 28