Kenji packed an exercise ball into a cylindrical package. The inflatable exercise ball is made out of vinyl. How much vinyl was
used to make the exercise ball? Express your answer in terms of pi.
2 answers:
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Answer:
Step-by-step explanation:
we are given
Firstly, we will get rid of imaginary term from denominator
so, we will multiply conjugate to both top and bottom term
we can also write as
so, we get