All angles of a regular polygon are:

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90 °

180 °

60 °

Equal in measure.

answer is D.

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Detailed Solution

Concept- We should be aware that a regular polygon is an equilateral polygon and that a polygon is a closed figure produced by combining three or more straight lines. By applying the formula sum of internal angles/number of sides, we may determine the angles of a regular polygon.
Of the question, we were asked to determine the total measurement of all the angles in a regular polygon. Now that we have established what a regular polygon and a polygon are, we can begin to solve. An enclosed 2-dimensional shape known as a polygon is created by combining three or more straight lines. For instance,
A regular polygon is one that is equilateral, or one that has sides of equal length on all sides. The method for determining the angles of a regular polygon is now known as the sum of internal angles. How many sides? I
As of right now, we are aware that the formula for determining the sum of interior angles is (n-2)/180.
n is the total number of sides in the regular polygon in (ii). Therefore, utilizing equations I and (ii) We can state that all of the regular polygon's angles are determined by (n-2)180/n.
So, it is clear that a regular polygon has equal-sized angles on all sides.
Hence, the correct option is 4.

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