Concept explainers
To Calculate : The percentage increase in surface area of a cube .
Answer to Problem 9R
The percentage increase in surface area after increases the length 10% is 8.57%.
Explanation of Solution
Given info:
Length =2 centimeter.
Width =1 centimeter.
Height =0.5 centimeter.
Formula used:
For rectangular solid, surface area is
Calculation:
Total length=2+0.2
=2.2 cm
Substituting the given values
Total increase in surface area is
Percentage increase in surface area
Conclusion:
The percentage increase in surface area after increases the length 10% is 8.57%.
Chapter 21 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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