# How to construct a square with a compass and straightedge

Feb 09, · This construction is justified because P S= P Q =QR= QS P S = P Q = Q R = Q S, yielding that P QRS P Q R S is a rhombus. Since ∠P QR ∠ P Q R is a right angle, it follows .

**Construct the Square Root of 2 using a Compass \u0026 Straightedge**

Step #1: Using a straightedge, draw a segment AB with a length of your choice. Step #2: Using a compass, measure the length of segment AB. Keeping the opening. How to construct a square inscribed in circle. using just a compass and a straightedge.

The same set of points can often be constructed using a smaller set of tools. For example, using a compass, straightedge, and a piece of paper on which we have the parabola y=x 2 .

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