#### How to solve interior angles

## How do you find the interior angle?

To find the sum of interior angles of a polygon, multiply the number of triangles in the polygon by 180°. The formula for calculating the sum of interior angles is ( n − 2 ) × 180 ∘ where is the number of sides. All the interior angles in a regular polygon are equal.

## How do you solve for interior and exterior angles?

Interior and exterior angle formulas: The sum of the measures of the interior angles of a polygon with n sides is (n – 2)180. If you count one exterior angle at each vertex, the sum of the measures of the exterior angles of a polygon is always 360°.

## What is the interior angle of a decagon?

144°

## What is interior angle with example?

Mathwords: Interior Angle . An angle on the interior of a plane figure. Examples : The angles labeled 1, 2, 3, 4, and 5 in the pentagon below are all interior angles . Angles 3, 4, 5, and 6 in the second example below are all interior angles as well (parallel lines cut by a transversal).

## What is the formula to find the sum of interior angles?

The formula for finding the sum of the measure of the interior angles is (n – 2) * 180. To find the measure of one interior angle , we take that formula and divide by the number of sides n: (n – 2) * 180 / n.

## What is the sum of the interior angle of a triangle?

180°

## What is the sum of interior angles of a Nonagon?

1260°

## What do same side interior angles look like?

Same side interior angles are two angles that are on the same side of the transversal and on the interior of (between) the two lines. Same Side Interior Angles Theorem: If two parallel lines are cut by a transversal, then the same side interior angles are supplementary.

## Do same side interior angles add up to 180?

The same – side interior angle theorem states that when two lines that are parallel are intersected by a transversal line, the same – side interior angles that are formed are supplementary, or add up to 180 degrees.

## What do alternate interior angles look like?

Alternate Interior Angles are a pair of angles on the inner side of each of those two lines but on opposite sides of the transversal. In this example, these are two pairs of Alternate Interior Angles : c and f.

## What is the interior angle of Pentagon?

108°

## What is the sum of interior angle of hexagon?

720°

## What is the sum of the interior angles of a 21 Gon?

Explanation : Sum of the measures of the interior angles of a polygon of n sides is (n−2)×180∘ .