10 sides on a "decagon." deca as a prefix means 10.
Decihedron has 10 sides.
A Hendecagon has 11 sides
Scalene sides are different lengthed isosceles two of the 3 sides are the same equilateral, the three sides are the same lenght and are all at 90degrees
An isosceles triangle has 2 equal sides whereas an equilateral triangle has 3 equal sides.
360/18 = 20 sides, or any multiple of 20 sides.360/18 = 20 sides, or any multiple of 20 sides.360/18 = 20 sides, or any multiple of 20 sides.360/18 = 20 sides, or any multiple of 20 sides.
20 sides
20 sides
It have 20 sides
It has 20 sides.
20 sides
To get the perimeter you have to add all the sides in the shape. For example 20+20+20+20 because a square has 4 sides. So the answer for this most be equals to 80ft long.
No. 11 sides.
20 sides * * * * * No. It has 12 sides.
It has 360/20 = 18 sides
360 divided by the number of the sides.360° / 20 sides = 18°
An icoshaedron has 20 sides.