Q: What is the name of polygon that has 40 degrees exterior angle?

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If you name the degree of the angle d, then the exterior angle is 180 - d. The exterior angles have to add up to 360, a full circle to get back to where you started. So if there are nsides and n angles,n(180-d) = 360Solving for d, you get180 n - nd = 360-nd = 360 - 180n-d = 360/n - 180and thend = 180 - 360/n

"Reflex angle"

There is no special name for a 120º angle.

That is a straight angle.

obtuse

Related questions

It is a regular 5 sided pentagon

If you mean exterior angle is twice its interior angle then an equilateral triangle will fit the given description because each interior angle is 60 degrees and each exterior angle is 120 degrees

It has 9 sides and is called a nonagon

It is a regular 8 sided octagon whose interior angles are 135 degrees and its exterior angles are 45 degrees

Interior angle = 3 x exterior angle. Hence Int Ang + Ext Ang = 180 Substituting 3 x Ext + Ext = 180 4 Ext = 180 Ext Angle = 180 / 4 = 45 degrees. And Exterior Ang;e = 360 / number of sides. number of sides = 360/ exterior angle No. of sides = 360/45 = 8 Hence the number of sides of the polygon is '8' . It is named as an OCTAGON.

an octagon (8-sided)

Right angle not polygon. (i'm not mad).

It is a regular octagon which has 8 sides

an Octagon, because 360/8=45.

Assuming the question refers to all interior angles of 60 degrees, then the answer is an equilateral triangle. If it is just one angle being 60 degrees, it can be any polygon you like.

It is a triacontagon, or 30-sided shape.The formula for one interior angle of a regular n-sided polygon is 180(n-2)/nwhere 180 (28) / 30 = 168*You can QUICKLY and EASILY find the answer using the formula for one exterior angle : it is 360/n360/30 = 12 and the interior angle is 180-12 = 168.The algebraic equation is(180-168) n = 360

It is called megagon, its internal angle's sum is 179999640 degrees (that a lot!)