Question

4/3×πr^3=π×16×16×9 do this

Answer 1

Problem :
4/3 * πr^3 = π * 16 * 16 * 9

Solution:
Value of π = 22 / 7 or 3.14
Here we use value of π = 22 / 7

So,
4/3 * 22/7 * r^3 = 22/7 * 16 * 16 * 9
⇒r^3 = 1728 (Take cube root)
⇒r = 12
Ans: The value of r is 12