tolong dijawab buat pr besok

2.
L1 = L persegi besar - L persegi kecil
L1 = 62×58 - 38×30
L1 = 3596 - 1140
L1 = 2456
L2 = ½πr²
L2 = ½×22/7×29×29
L2 = 1321,5
L total = 2456+1321,5 = 3777,5

3.
V = L alas × t
V = 3,5 × 5 / 2 × 7
V = 61,25