(I really need help plz)

This is for my dba soon and I just cant find steps on how to do it..

Explain how to construct one of the regular polygons using a compass and straightedge and contrast with the steps using graphing technology. You may show this using Geogebra if you would prefer.

Step-by-step explanation:

When a line of reflection coincides with a line of symmetry, the polygon maps onto itself. The position of the line of symmetry depends on the number of sides. For regular polygons with an even number of sides, lines of symmetry are the perpendicular bisectors of the opposite sides and the angle bisectors of opposite vertices. However, the symmetry of regular polygons with an odd number of sides does not allow lines of symmetry to connect the opposite pairs of vertices, so they have symmetry only along the perpendicular bisectors.

12cm

the answer is d

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a