7 inches
An irregular decagon
because you are shading in the figure but a room will be four sided
A pentagon is a 5-sided figure, and the perimeter is the sum of the lengths of all the sides. A pentagon with 15-inch sides, will have 5 x 15 inches = 75 inches as its perimeter.
You add up the lengths of every side. For example, if you have a pentagon (five sided figure) and every side is 4 inches long, you add 4+4+4+4+4=20inches.
A six sided figure whose lengths are not all equal in size.
Add up the lengths of all the individual sides.
A pentagon, which is a 5-sided figure, might have sides that are 11 inches long. But there are an infinite number of other lengths possible. If we are talking about a regular pentagon with a perimeter of 55 inches, then yes, each side of that pentagon is 11 inches long.
A quadrilateral is a four sided figure, so sum the lengths of its four sides.
i dont know but i want it answer,,,,,,,,,,,,,,,,,,
heptagon * * * * * No. That is a 7 sided figure. A 17 sided figure is a heptadecagon.
It is a regular 8 sided octagon
A trapezoid is a 4 sided quadrilateral having a pair of parallel lines of different lengths