Answer:
109
Step-by-step explanation:
The first one u circled is a single rotation
Answer:
The length of each side of the base is 
Step-by-step explanation:
we know that
The area of a square is equal to

where
b is the length side of a square
In this problem we have

so
substitute in the formula

Square root both sides


Greetings! Hope this helps!
Answer
A) .53333333333
Explanation
8 divided by 15 = .5333333
Have a good day!
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A brainliest would help tons! :D
General equation of a circle with centre (h, k) is given by:

Now, the origin is the centre and radius is 20, so substituting these points in yields:
