We have the following shape and you need to:
1) Find the area of the triangle ABE(A_tr). (Suppose that the angle E is 90 degrees.)
2) Find the area of the semi-circle where DC is the diameter.(A_sc)
3)Find the perimeter of the whole shape.(P_s)
4)Find the perimeter of the semi circle if we separate it from the whole shape(P_sc).
Explanation if you are confused: x is the length and y is the width of the rectangle ABCDA and they will be given.
GOOD LUCK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Last Solution submitted on Aug 24, 2026

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Christian Schröder

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