Check the picture below, notice those three quadrilaterals.
the square, is really a rectangle and is also a rhombus, but with right-angles and equal sides.
1+1+1+1
First, let's do 1+1
1+1=2
and the other 1+1 also equals 2
2+2=4
so the final answer is 4


To find the value of
, we need to isolate it on one side of the equation. Add
to both sides of the equation, then multiply both sides of the equation by
.

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