(05.05 LC) A right rectangular prism is shown. What shape best describes the cross section cut perpendicular to the base of a ri
2 answers:
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Answer:
given the circumference is 30t.
Step-by-step explanation:
The circumference of a circle is and the area of a circle is
assuming the radius is
for the circle in question.
We are given the circumference of our circle is .
If we solve this for r we get: . To get this I just divided both sides by
since this was the thing being multiplied to
.
So now the area is .
Simplifying this:
.
30/2=15 so:
.
Squaring the numerator and the denominator:
Using law of exponents or seeing that a factor of cancels: