Pentagons do not have to be regular. Elongating one side will skew two angles and make them non congruent with the other three, creating an irregular polygon.
All pentagons have five sides. When you see a five sided figure you will always know it's a pentagon.
yes
Regular pentagons do not tessellate.
jyf
squares,rectangles,regular pentagons
Yes they are. All ten angles are 54 degrees.
Not if they are regular 5 sided pentagons
Because There is always the little sliver that it doesnt cover
There are infinitely many regular pentagons - a different one for each value for the length of its side.
Yes providing that they are regular 5 sided pentagons otherwise no if they are irregular pentagons
Regular pentagons.
Pentagons can be regular or irregular.