Consider the object shown in Figure 3.8. For the volume element, match the items in the left-hand column with those on the right.

(a) dl from A to D
(b) dl from E to A
(c) dl from A to B
(d) dS for face EFGH
(e) dS for face AEHD

(i) –r² sin θ dθ  dΦ a_r

(ii) -r sin cdr dΦ a_θ 

(iii) r dr dθ aΦ 

(iv) dr ar

(v) r dθ a_θ

(vi)
r sin θ dΦ a_Φ