pentagon
An Octogan.
pentagon pentagon
Then they both will be identical in sides and angles
Pentagon
A rectangle has 4 sides not the same length and 4 right angles.
An Octogan.
pentagon pentagon
Angles and sides are congruent when they are identical. A shape with four identical sides and angles is a square.
You are a regular 8 sided octagon
Polygon with four sides identical in length, four angles, all of which are 90 degrees.
Then they both will be identical in sides and angles
Pentagon
A shape with opposite sides parallel and of the same length and four right angles is a rectangle.
A rectangle has 4 sides not the same length and 4 right angles.
A hexagon has all six sides in equal length and all angles in equal measure.
The sides are the same length and internal angles the same
Its a diamond :]