SOLUTION: https://snipboard.io/tOXvNe.jpg

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Question 1194912: https://snipboard.io/tOXvNe.jpg
Answer by josgarithmetic(39800) About Me  (Show Source):
You can put this solution on YOUR website!
Interpret the figure as the rectangularized part on the right side and the semicircle part on the left side.

Left part plus right part:
%281%2F2%29pi%2A%285%5E2%29%2B%28%287%2B4%29%2A8-7%2A6%29