The answer to the first part is 3 1/2 and the answer to the second question is 2/7
Find the last angle:
180-(30+90)
180-(120)
60
Evaluate using sine rule:

=

c=

=

=20
The length of line segment AB is 20 feet (answer choice C)
Radius equation- π r ^2
radius=10 ft
8+(6)(3)^2
8+(6)(9)
8+(54)
8+54
62
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Answer:
5.81
Step-by-step explanation:
The method of cylindrical shells uses this formula:

It integrates the pieces of area in the region.
In this case:

Integrating by computer:

Evaluating between 0 and 2
