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24 votes
24 votes
I will pos the question on the comment

User Grzegorz Oledzki
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1 Answer

24 votes
24 votes

The area of the shaded region

=


\begin{gathered} \pi R^2\text{ - }\pi r^2 \\ =\text{ }\pi(14)^2\text{ - }\pi(7)^2 \\ =\text{ 196 }\pi\text{ - 49 }\pi \\ =\text{1}47\text{ }\pi \\ =\text{ 461.58 square millmetres} \end{gathered}

User Alxandr
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