tolong jawab dong no 5-7 besok dikumpul nih...

5. Luas persegi + luas 4∆
= (s×s) + 4(a×t /2)
= (4×4) + 4(2×2 /2)
= 16 + 4 (4/2)
= 16 + 4×2
= 16 + 8
= 24 cm²