Question

draw a involved regular pentagon of side of 20 mm​

Answer 1

Answer:

In geometry, a pentagon (from the Greek πέντε pente and γωνία gonia, meaning five and angle[1]) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°.

Regular pentagon

Regular polygon 5 annotated.svg

A regular pentagon

Type

Regular polygon

Edges and vertices

5

Schläfli symbol

{5}

Coxeter diagram

CDel node 1.pngCDel 5.pngCDel node.png

Symmetry group

Dihedral (D5), order 2×5

Internal angle (degrees)

108°

Dual polygon

Self

Properties

Convex, cyclic, equilateral, isogonal, isotoxal

A pentagon may be simple or self-intersecting. A self-intersecting regular pentagon (or star pentagon) is called a pentagram.

Answer 2

In Arthur geometry in YouTube it is shown clearly easy steps