An architect uses a cylindrical container to protect her blueprints. The dimensions of the cylinder shown in the diagram. Which
measurement is closest to the total surface area of the container in square inches?
2 answers:
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Answer:
Step-by-step explanation:
Given expression:
Replace 900 with 30² :
(We need to use the absolute value of √x² since the x term was originally to the power of 2, which means the value of x² is always positive since the exponent is even).
Simplify:
(We need to use the absolute value of z³ since the z term was original to the power of 6, which means the value of z⁶ is always positive since the exponent is even).
Use the law of cosines to find a: 
So to use the given numbers you get:
Which would come out to equal about 35.94
so a=35.9
So to use the given numbers you get:
Which would come out to equal about 35.94
so a=35.9