trLYNLgR5Q?feature=oembed » frameborder= »0″ allow= »accelerometer; autoplay; clipboard writing; encrypted media; gyroscope; picture-in-picture « allow fullscreen>

42 related questions found

What are the interior angles of an 8-gon?

An octagon contains six triangles, or 1080 degrees.This means that there are 8 angles, each angle is 135 degrees.

What does a concave dodecagon look like?

Conversely, a concave dodecagon, the irregular dodecagon shown above, has at least a line segment that can be drawn between points on its boundary but outside it. In addition, at least one of its interior angles is greater than 180°. A convex dodecagon is not necessarily a regular dodecagon.

What are the interior angles of a pentagon?

In geometry, a pentagon (from the Greek πέντε pente for five and γωνία gonia for angle) is any pentagon or 5-sided shape.The sum of the interior angles of a simple pentagon is 540°. Pentagons may be simple or self-intersecting. A regular pentagon (or star pentagon) that intersects itself is called a pentagram.

What is the interior angle of a 20-sided polygon?

Interior angle of any regular polygon =180[(n−2)/n] Interior angles of any icosagon = 180(20 – 2)/20 = 162° The sum of all interior angles of a regular icosagon is 3240°.

What are the interior angles of a regular nonagon?

Therefore, the sum of the interior angles of a regular nonagon is 9 140 1260 degrees.

How to find interior angle?

The formula to calculate the sum of interior angles is ( n − 2 ) × 180 ∘ where is the number of sides. All interior angles of a regular polygon are equal. The formula for calculating the size of an interior angle is: Interior angles of a polygon = sum of interior angles ÷ number of sides.

What is the 13-sided shape called?

A 13-sided polygon, sometimes called a triskaidecagon.

What are the interior angles of a hexagon?

The sum of the interior angles of a hexagon must be equal to 720 degrees. Because hexagons are regular, all interior angles will have the same measure. A hexagon has six sides and six interior angles.

What are the interior angles of a regular pentagon?

The measure of an interior angle of a regular pentagon is 108 degrees.

What are the interior angles of a 9-sided polygon?

superior!So the interior angle of a 9-sided polygon is 140° .

What is the sum of the interior angle measurements?

The sum of the interior angle measures of an n-sided polygon is (n – 2)180. If an exterior angle is calculated at each vertex, the sum of the measurements of the exterior angles of the polygon is always 360°.