Question

Wesley makes spherical fish tanks with a diameter of 30\text{ cm}30 cm30, start text, space, c, m, end text. A customer requests a smaller tank with half the volume of the tank that Wesley usually makes.
What is the approximate diameter of the smaller tank?

Answer 1

v = 4/3 pi r cube

v =4/3 pi r (15) cube

v=4500 pi

v= 45000 pi /2=4/3pi r cube

1687.5=r cube

r =11.9

d =23.8

ans =23.8

Answer 2

Answer: 23.8

Step-by-step explanation: Khan Academy