Question
Find the volume of a sphere with the radius of 1.5 inches.
- 12.5 in³
- 14.14 in³
- 2.2 in³
- 3.5 in³
Hint:
Here, in this problem, the radius of the sphere is given. We are to find its volume and for this, we have to use the formula for calculating the volume of a sphere with a given radius. The formula for finding the volume 
of a sphere of radius 
is 
.
The correct answer is: 14.14 in³
Given that the radius of the sphere is 
inches.
We have to find the volume of this sphere.
We know that the volume of a sphere of radius is .
So, for inches, we get (put 
): 
.
Therefore, the volume of the given sphere is 
.
Note that the value of 
is taken as 
which is an approximate value of . Though it is not exact, we can use this to find the value of a mathematical expression. We can take the value of as 
also.
Related Questions to study
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The below image is
Correct option is (d).
Reason ; In the given graph , on moving owards x axis from 1 to 4 there is change of there is change of 1.5 unit on y axis but on further movement from point 4 to 8 there is small change of .5 units on y axis .it shows that there is very small and non constant change on y axis hence the graph shows non linear realtionship
The below image is
Correct option is (d).
Reason ; In the given graph , on moving owards x axis from 1 to 4 there is change of there is change of 1.5 unit on y axis but on further movement from point 4 to 8 there is small change of .5 units on y axis .it shows that there is very small and non constant change on y axis hence the graph shows non linear realtionship
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