To find: the lateral and surface area
Answer to Problem 33SR
The lateral area of the cylinder is
The surface area of the cylinder is
Explanation of Solution
Given:
Formula used:
The lateral area
The surface area
Calculation:
Consider the diameter of the cylinder is
The objective is to find the lateral and surface area of the cylinder.
Now, find the lateral area of the cylinder.
Since radius is half the diameter of a circle, so radius is
Put
Thus,
Therefore, the lateral area of the cylinder is approximately
Next find the surface area of the cylinder.
First find the area
Put
Therefore, the surface area of the cylinder is approximately
Conclusion:
Therefore, the lateral area of the cylinder is
Chapter 12 Solutions
Pre-Algebra Student Edition
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