3. Luas = 1/2 x alas x tinggi = 1/2 x 20 cm x 15 cm = 150 cm²
4. Luas = 1/2 x alas x tinggi = 1/2 x 30 cm x 20 cm = 300 cm²
5. Luas = 1/2 x alas x tinggi = 1/2 x 50 meter x 30 meter = 750 meter²***
3. Luas = 1/2 x alas x tinggi = 1/2 x 20 cm x 15 cm = 150 cm²
4. Luas = 1/2 x alas x tinggi = 1/2 x 30 cm x 20 cm = 300 cm²
5. Luas = 1/2 x alas x tinggi = 1/2 x 50 meter x 30 meter = 750 meter²***
Editor: Dian Apriwanti