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Interior angles are those that lie inside a polygon. For example, a triangle has 3 interior angles. The other way to define interior angles is "angles enclosed in the interior region of two parallel lines when intersected by a transversal are known as interior angles". How to Find the Sum of Interior Angles?
- Same Side Interior Angles
Example 1: In the given figure, 145° and 40° are the same...
- Alternate Interior Angles Theorem
Statement: The theorem states that if a transversal...
- Consecutive Interior Angles
Example 2: Use the consecutive interior angles theorem to...
- Pairs of Angles
When a transversal intersects two parallel lines, the...
- Vertical Angles
Similarly. we can use the same set of statements to prove...
- Corresponding Angles
The corresponding angles definition tells us that when two...
- Alternate Exterior Angles
The alternate exterior angle theorem states "if two lines...
- Pentagon
In geometry, a pentagon is a five-sided polygon with five...
- Same Side Interior Angles
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°. Quadrilaterals (Squares, etc)
14 cze 2023 · Angles that are found inside or within any geometric shape are called interior angles. They are also sometimes called internal angles. A triangle has three interior angles. Similarly a quadrilateral such as a square, rectangle, parallelogram, kite, or a trapezoid has four interior angles.
11 sty 2023 · In geometry, there are many types of angles such as congruent, adjacent, vertical, corresponding, alternating, exterior, and interior angles. All angles have relationships to other angles and those angle relationships are what we will cover here.
When two parallel lines are crossed by a transversal, the pair of angles formed on the inner side of the parallel lines, but on the opposite sides of the transversal are called alternate interior angles. These angles are always equal.
This means that a polygon is a closed figure that is formed by straight lines and these straight lines form the interior angles in it. Polygons can be commonly seen around us. For example, the shape of a honeycomb is a polygon with 6 sides and is known as a hexagon.
Definition. Sum of interior angles. Interior angles of triangle. Interior angles of quadrilateral. Interior angles of pentagon. Interior angles of regular polygon. Formulas. Interior angle theorem. Exterior angles of Polygon. Solved Examples. FAQs. What is Meant by Interior Angles of a Polygon?
