Concept explainers
i.
To find the volume of the cylinder, in terms of pi.
i.
![Check Mark](/static/check-mark.png)
Answer to Problem 15E
The volume of the cylinder- 47728 in3.
Explanation of Solution
Given:
The diameter of cylinder is 40 inches (d) and height is 38 inches.
Formula Used:Volume of cylinder is,
Calculation:
Since diameter of cylinder is 40 inches, therefore,
Radius (r)=
= 20 inches.
Substituting values of radius and height
Hence, volume of cylinder is
15200p inch3-----------------------(1)
Conclusion:
Volume of cylinder is
ii.
To find the volume of top cone and bottom cone, in terms of pi.
ii.
![Check Mark](/static/check-mark.png)
Answer to Problem 15E
volume of top cone is
Explanation of Solution
Given:
The diameter of top cone and bottom cone is same, that is, 40 inches (d). The height of top cone is 10 inches (h) and height of bottom cone is 8 inches (h).
Formula Used:Volume of a cone,
Calculation:
Since diameter of cylinder is 40 inches, therefore,
Radius (r)=
= 20 inches.
For top cone:
Substituting the values of radius and height,
Hence, the volume of top cone is:
For bottom cone:
Substituting the values of radius and height,
Hence, the volume of top cone is:
Conclusion:
The volume of top cone is
iii.
To find the total volume of the composter
iii.
![Check Mark](/static/check-mark.png)
Answer to Problem 15E
volume of the composter is 55263.96 inch3
Explanation of Solution
Given:
The volume of cylinder, top and bottom cones
Formula Used:
Volume of cone is,
Volume of cylinder is,
Calculation:
Volume of composter = volume of cylinder (1) + volume of top cone (2) - volume of bottom cone (3)
Substituting the values of (1), (2) and (3),
Hence, the volume of composter
Conclusion:
The volume of composter is 55263.96 inch3.
iv.
TO-DETERMINE that which whether radius affect the volume more or height.
iv.
![Check Mark](/static/check-mark.png)
Answer to Problem 15E
The radius has a greater effect on the volume of the composter.
Explanation of Solution
Since the radius must besquared in the volume formula of both cone and cylinder so reducing radius will make a greater impact on the volume.
Conclusion: The radius has a greater impact on the volume.
Chapter 10 Solutions
EBK PRE-ALGEBRA
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