Kak tolong jawabkan nomor 3 dan 4 Pake cara Besok dikumpul

3. Jajar genjang → alas × t = 10 × 8 = 80 cm²
Segitiga → alas × t / 2 = 5 × 8 / 2 = 20 cm²
Persegi → s × s = 5 × 5 = 25 cm²
Persegi panjang → p × l = 10 × 5 = 50 cm²
Jd, luas gambar → 80 + 20 + 25 + 50 = 175 cm²