Providing it's a regular 12 sided shape it's 360/12 = 30 degrees
Each exterior angle = 360/12 = 30 degrees. Each interior angle = 180 - 30 =150 degrees.
Each exterior angle measures 30 degrees
Interior Angle: 150 degrees (Interior Angle Sum: 1800) Exterior Angle: 30 degrees (Exterior Angle Sum: 360)
A regular polygon of 30 sides will each have an exterior angle of 12 degrees and an interior angle of 168 degrees.
If the exterior angle is 30o then the shape has 360/30 = 12 sides. An interior angle = 180 - exterior angle = 180 - 30 = 150. Since the shape has 12 sides the interior angles sum to 150 x 12 = 1800o.
If the interior angle is 150° then the exterior angle measures 180 -150 = 30°. The sum of the exterior angles of a regular or convex polygon = 360° The number of sides is therefore 360/30 = 12 sides The shape is a dodecagon.
Interior angle + Exterior angle = 180 So Interior angle = 180 - Exterior angle Interior angle = 4*Exterior angle + 30 Substitute for Interior angle: 180 - Exterior angle = 4*Exterior angle + 30 Collect like terms: 150 = 5*Exterior angle Divide by 5: Exterior angle = 30 deg Therefore number of sides = 360/30 = 12
If its a regular polgon and each exterior angle is 30 degrees then it will have 360/30 = 12 sides
Providing that it is a regular duodecagon each exterior angle measures 30 degrees
Exterior angles are supplementary with interior angles, so 180-30=150
Providing it's a regular 12 sided shape it's 360/12 = 30 degrees
Each exterior angle = 360/12 = 30 degrees. Each interior angle = 180 - 30 =150 degrees.
Each exterior angle measures 30 degrees
Interior Angle: 150 degrees (Interior Angle Sum: 1800) Exterior Angle: 30 degrees (Exterior Angle Sum: 360)
If this shape is a regular 12-sided polygon, then the sum of its angles is 1,800 degrees [(n -2)180]. So the measure of one angle is 150 degrees (1,800/12), and the exterior angle is 30 degrees (180 - 150).
330 degrees