Match the items in the left list with those in the right list. Each answer can be used once, more than once, or not at all.
(a) θ = π/4
(b) φ = 2π/3
(c) x = -10
(d) r = 1, θ = π/3, φ = π/4
(e) ρ = 5
(f) ρ = 3, φ = 5π/3
(g) ρ = 10, z = 1
(h) r = 4, φ = π/6
(i) r = 5, θ = π/3

(i) Infinite plane
(ii) Semiinfinite plane
(iii) Circle
(iv) Semicircle
(v) Straight line
(vi) Cone
(vii) Cylinder
(viii) Sphere
(ix) Cube
(x) Point