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In geometry, a pentadecagon (or pentakaidecagon) is any 15-sided, 15-angled, polygon. A regular pentadecagon has interior angles of 156°, and with a side length a, has an area given by:
A= 15/4 * a²* cot π/15
= (15a²)/8 (√3 + √15+ √2* √(5+√5))
≈ 17.6424 a²
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∙ 13y ago
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What is a fifteen side polygon called?
Pentadecagon, Quindecagon, PentakaidecagonA polygon with fifteen sides can be called a pentadecagon.
What is the name 15 sided polygon?
The name of a 15 sided polygon is Pentadecagon.
How many sides does a pentadecagon have?
A pentadecagon has 15 sides. (the prefixes pent=5, and deca=10)15
What is a shape with 15 sides?
pentadecagon
How many diagonals does a pentadecagon have?
90
What is a fifteen sided object called?
it is called a pentadecagon ok? its like pentagon but its a pentadecagon.
How many angles of rotation does a pentadecagon have?
A Pentadecagon had 15 sides
What is a fifteen side polygon called?
Pentadecagon, Quindecagon, PentakaidecagonA polygon with fifteen sides can be called a pentadecagon.
What is the name 15 sided polygon?
The name of a 15 sided polygon is Pentadecagon.
How many sides does a pentadecagon have?
A pentadecagon has 15 sides. (the prefixes pent=5, and deca=10)15
How do you draw a regular pentadecagon?
15 sides. With a ruler, patience, and practice. And also, look for a computer printout to trace. By: SupeRMAn
What is a 15 sided shape?
its a pentadecagon i.e, a polygon with 15 sides. in a regular pentadecagon each angle is of 156 degrees
Sides on a pentadecagon?
IT has 15 sides
What is a shape with 15 sides?
pentadecagon
How many diagonals does a pentadecagon have?
90
How many edges does a pentadecagon have?
45
What polygon has 15 sides?
A pentadecagon
