A decagon has 10 sides.
If each side is 17.2 cm, then the perimeter will be 10 x 17.2 cm
Which is 172 cm.
387.5 centimeters (10 sides each the same length)
11.4 cm
15 cm * 6 sides = 90 cm perimeter
7 cm x 3 sides = 21 cm perimeter.
7 cm x 3 sides = 21 cm perimeter.
If it's a regular decagon then its perimeter is 10*25 = 250 cm
170 cm
Regular = all sides equal so all sides of 25 cm. Decagon = 10 sides. So perimeter = 10*25cm = 250 cm.
A decagon has 10 equal sides, so if the perimeter is 120 cm each side must be 12 cm
387.5 centimeters (10 sides each the same length)
100 cm
11.4 cm
15 cm * 6 sides = 90 cm perimeter
The perimeter of a polygon is calculated by adding the lengths of all its sides. For a polygon with 1 cm sides, the perimeter would be equal to the number of sides multiplied by 1 cm. For example, a polygon with 5 sides would have a perimeter of 5 cm, while one with 8 sides would have a perimeter of 8 cm. Thus, the perimeter depends on the number of sides of the polygon.
7 cm x 3 sides = 21 cm perimeter.
The perimeter is 7 cm
7 cm x 3 sides = 21 cm perimeter.