Question

Tolong bantu
nomer 28dan29

Answer 1

28. Luas alas * tinggi
= (1/2 * a * t) * 50
= (1/2 * 21 * 20) * 50
= 10 * 21 * 50
= 10.500 cm³

29. Luas alas * tinggi
= (πr²) * 15
= 3,14 * 10² * 15
= 3,14 * 100 * 15
= 314 * 15
= 4.710 dm³ atau 4710 liter