Leah has two congruent beach balls. The diameter of one ball is 20 inches. Which choice is the closest for the volume of the second ball?

A) 3721 in3

B) 4187 in3

C) 11164 in3

D) 33493 in3

Question

Leah has two congruent beach balls. The diameter of one ball is 20 inches. Which choice is the closest for the volume of the second ball? 


 
 








  A)    3721 in3    

 
  B)    4187 in3    

 
  C)    11164 in3    

 
  D)    33493 in3

jamelw28 · Answer

what is the answer guys

mrnood · Answer

congruent means they ere identical in size and shape - so th e second is the same as the first

The formula for volume of a ball (sphere) is

$$V =\frac{ 4 }{ 3 }\pi r ^{3}$$

You know what r is - so use it to calculate the volume

mrnood · Answer

HINT: radius is HALF the diameter

xo.yvonne.ox · Answer

The correct answer is B:)

mrnood · Answer

@xo.yvonne.ox

the poster learns nothing by youj posting the answer.

It is not allowed by the rules.

How can he have any confidence that your answer is any more than a guess. MANY answers posted herre are plain wrong.

@jamelw28
Is her guess better than yours?