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What is the size of an interior angle of a 20 sided regular polygon?
exterior angle = 360° ÷ 20 sides = 18° interior angle = 180° - exterior angle = 180° - 18° = 162°
What is the name off an 18 sided shape?
All I can tell you is that a 16 sided shape is called a Hexadecagon
A 18 sided 2D shape?
Tetrahaidecahedron
What is a 18 sided 3D shape called?
Octadecadron
How many sides does a regular polygon have with the angle 20 degrees?
If those are exterior angles, the exterior angles of any polygon add up to 360. That would be 18 sides.
Interior angle for 20 sided shape?
Exterior angle = 360/20=18 interior angle = 180 - 18 = 162 Must be regular shape
What is the exterior angle of an 20 sided shape?
If it's regular then 360/20 = 18 degrees
What shape has a exterior angle of 20 degrees?
A regular 18 sided polygon has 18 exterior angles each measuring 20 degrees
Interior angle of and 18 sided shape?
Exterior angle + interior angle = 180 Hence Interior Angle = 180 - Exterior Angle The Exterior Angle = n(No. of sides ) / 360 Substituting Interior Angle = 180 - (n/360) Interior Angle = 180 - (18/360) Interior Angle = 180 - (1/20) Interior Angle = 179.95 degrees.
What is the exterior angle of a regular 20 sided angle?
18 degrees
What is the interior and exterior angle of a 18 sided shape?
For an 18-sided polygon (octadecagon), the formula to calculate the interior angle is ((n-2) \times 180° / n), where (n) is the number of sides. Substituting (n = 18), the interior angle is ((18-2) \times 180° / 18 = 160°). The exterior angle can be found using the formula (360° / n), which gives (360° / 18 = 20°). Therefore, each interior angle is 160° and each exterior angle is 20°.
What is the measure of an exterior angle of a regular 18-sided polygon to the nearest tenth?
Each exterior angle will measure 360/18 = 20.0 degrees
What will be the measure of an exterior angle of a regular 18 sided polygon?
56
What is the exterior angle sum of a 18 sided ploygon?
The exterior angles add up to 360 degrees.
What is the size of an interior angle of a 20 sided regular polygon?
exterior angle = 360° ÷ 20 sides = 18° interior angle = 180° - exterior angle = 180° - 18° = 162°
What is the measure of each exterior angle of an 18 sided polygon?
20 degrees
What is the measure of each exterior angle of regular 18 sided polygon?
20
