Math Problem Statement
Determine the number of square feet of wall surface on the inside of a wooden silo that has a capacity of 3,392.7 cubic feet and a height of 30 feet.
Solution
To determine the square footage of the wall surface on the inside of the silo, let's go through the calculations step-by-step.
Step 1: Understanding the Shape and Dimensions
The silo is a cylinder, with:
- Volume
- Height
Step 2: Formula for the Volume of a Cylinder
The volume of a cylinder is given by: where:
- is the volume,
- is the radius, and
- is the height.
Step 3: Solve for the Radius
Rearrange the formula to solve for : Substitute the given values:
Step 4: Calculate the Wall Surface Area (Lateral Surface Area)
The formula for the lateral surface area of a cylinder (the wall surface inside the silo) is: Substitute feet and feet:
Final Answer
The inside wall surface area of the silo is approximately 1,130.97 square feet.
Would you like more details, or do you have any questions?
Here are 5 related questions to deepen your understanding:
- How would the wall surface area change if the height of the silo were doubled?
- What would be the volume of a silo with the same radius but a different height?
- How does the volume formula for a cylinder compare to that of a sphere?
- If the silo had a roof, what would be the total surface area (including top and bottom)?
- How do different values of radius and height affect the volume of a cylinder?
Tip: For cylinders, the wall area is directly proportional to both the radius and the height, so any increase in these measurements will increase the surface area.
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Math Problem Analysis
Mathematical Concepts
Geometry
Cylinders
Surface Area
Volume
Formulas
Volume of a cylinder: V = πr^2h
Lateral surface area of a cylinder: A = 2πrh
Theorems
-
Suitable Grade Level
Grades 9-11
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