Pentagon Interior Angle
A regular polygon is a polygon whose sides are of equal length.
Pentagon interior angle. The pentagon 5 sided shape above can be split into 3 triangles. Look at the image opposite. A pentagon has 5 sides and when divided contains 3 triangles.
A self intersecting regular pentagon or star pentagon is called a pentagram. The sum of the interior angles of a rectangular pentagon is equal to 540 degrees. You can only use the formula to find a single interior angle if the polygon is regular.
You can tell just by looking at the picture that angle a and angle b are not congruent. Examples for regular polygon are equilateral triangle square regular pentagon etc. You can therefore say that the sum of the pentagon s interior angles is.
An equilateral pentagon has five sides that are equal to each other. Its interior angles add up to 3 180 540 and when it is regular all angles the same then each angle is 540 5 108 exercise. Interior angle sum of a pentagon 3 x 180 540 if the polygon.
The moral of this story while you can use our formula to find the sum of. To find the sum of the interior angles you multiply 3 by 180. Sum of interior angles p 2 180 sum of interior angles of a regular polygon and irregular polygon.
A pentagon has 5 sides and can be made from three triangles so you know what. Sum of the interior angles of a polygon 180 n 2 degrees interior angles of a polygon formula. Make sure each triangle here adds up to 180 and check that the pentagon s interior angles add up to 540.