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Interior Angles of Polygons. An Interior Angle is an angle inside a shape: Another example: Triangles. The Interior Angles of a Triangle add up to 180°. Let's try a triangle: 90° + 60° + 30° = 180°. It works for this triangle. Now tilt a line by 10°: 80° + 70° + 30° = 180°. It still works! One angle went up by 10°, and the other went down by 10°.
- Exterior Angles
Exterior Angle The Exterior Angle is the angle between any...
- Regular Polygon
Interior Angles. The Interior Angle and Exterior Angle are...
- Exterior Angles
A regular polygon has all its interior angles equal to each other. For example, a square has all its interior angles equal to the right angle or 90 degrees. The interior angles of a polygon are equal to a number of sides. Angles are generally measured using degrees or radians.
The interior angles of any polygon always add up to a constant value, which depends only on the number of sides. For example the interior angles of a pentagon always add up to 540° no matter if it regular or irregular, convex or concave, or what size and shape it is.
Interior Angles Of A Polygon. Here we will learn about interior angles in polygons including how to calculate the sum of interior angles for a polygon, single interior angles and use this knowledge to solve problems.
The interior angles of a polygon are the angles at each vertex on the inside of the polygon. In convex polygons, each interior angle is always less than 180º. Some interior angles are well known and/or easy to find. We have proven that the sum of the measures of the interior angles of a triangle is 180º. We can easily find that xº = 45º.
Interior angles refer to interior angles of a polygon or angles formed by a transversal cutting two parallel lines. Learn the different meanings with examples.
The angles that lie inside a shape, generally, a polygon, are said to be interior angles, or the angles that lie in the area enclosed between two parallel lines that are intersected by a transversal are also called interior angles. Learn more about interior angles in this article.
