We simplify the given expression and show that it is equal to root 2 -1
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Construct a regular hexagon
Draw a regular pentagon without using a scale
Draw a circle without a compass
Draw an oval or an ellipse
Draw an equilateral triangle, without using compass and protractor
constructing an equilateral triangle
Construct an equilateral triangle.
Proof of a square- b square = (a+b)(a-b)
Draw a rhombus without a scale
Proof of (a+b)square =a square +2ab + b square
Draw a regular hexagon without a compass or protractor