Question

V= 1/3x3.14r^2h for h

Answer 1

1.95 inch (2dp)

Step-by-step explanation:

h≈ 1.95 inch (2dp).

Step-by-step explanation:

V= 13πr2h⇒r2 = 3Vπh⇒ = √3Vπh.

With,

V = 20 and h = 5, r = √(3) (20)5π = √12π

= √3.8197 ≈ 1.95 inch (2dp).