 # Question: Does A Pentagon Have Obtuse Angles?

## What is a 10 sided shape?

In geometry, a decagon is a ten-sided polygon or 10-gon..

## Does a regular Pentagon have right angles?

There are no right angles among interior angles of a regular pentagon.

## Does a hexagon have obtuse angles?

Answer and Explanation: A hexagon has six obtuse angles. Every hexagon is made up of six angles of 120o . An obtuse angle is any angle greater than…

## What angles are in a hexagon?

HexagonRegular hexagonCoxeter diagramSymmetry groupDihedral (D6), order 2×6Internal angle (degrees)120°Dual polygonSelf5 more rows

## Are all angles in a Pentagon equal?

So, the sum of the interior angles of a pentagon is 540 degrees. All sides are the same length (congruent) and all interior angles are the same size (congruent).

## Does a hexagon have acute angles?

Assuming you are talking about a regular hexagon, all 6 angles are not acute. We know this because there are a total of 720∘ in a hexagon. Since 120∘ is bigger than 90∘ , we know that all those angles are obtuse, not acute..

## Does a parallelogram have acute angles?

Explanation: In a parallelogram, adjacent angles sum to 180°. Thus, there’re 2 acute and 2 obtuse angles in a parallelogram. Hence, 2 acute angles a parallelogram has.

## Is there a 7 sided shape?

In geometry, a heptagon is a seven-sided polygon or 7-gon. The heptagon is sometimes referred to as the septagon, using “sept-” (an elision of septua-, a Latin-derived numerical prefix, rather than hepta-, a Greek-derived numerical prefix; both are cognate) together with the Greek suffix “-agon” meaning angle.

## What kind of angles are in a pentagon?

The General RuleShapeSidesSum of Interior AnglesTriangle3180°Quadrilateral4360°Pentagon5540°Hexagon6720°6 more rows

## How many right angles does a Heptagon have?

A heptagon is the word we use to identify a polygon with seven interior angles. Every heptagon has seven angles, seven sides, and seven vertices…

## Does a hexagon have right angles?

If it is a regular hexagon, all the sides and angles are equal. so each angle of a regular hexagon is 7206=120 . Thus, a regular hexagon has zero right angles. It is only possible for a hexagon to have right angles if it is NOT a regular hexagon, which has been discussed in another answer.

## Does a Pentagon have 5 right angles?

Sum of Interior Angles = 540′. Four right angles would leave 180′, which is impossible. So a pentagon has a maximum of three right angles, as shown. … So a hexagon can have 5 right-angles, as shown.

## How many acute angles are there in a pentagon?

0 acute anglesIf it is a regular pentagon, there are 0 acute angles because each angle in a regular pentagon is 108°. If on the other hand it is an irregular pentagon, then there can be up 4 acute angles.

## What is the formula for interior angles?

An interior angle is located within the boundary of a polygon. The sum of all of the interior angles can be found using the formula S = (n – 2)*180. It is also possible to calculate the measure of each angle if the polygon is regular by dividing the sum by the number of sides.

## Are all angles in a hexagon equal?

So, the sum of the interior angles of a hexagon is 720 degrees. All sides are the same length (congruent) and all interior angles are the same size (congruent). To find the measure of the interior angles, we know that the sum of all the angles is 720 degrees (from above)…

## Does a rhombus have obtuse angles?

-The only time a rhombus doesn’t have any obtuse angles is when it’s a square (all right angles). A rhombus by definition has four equal sides, which also means that if you draw diagonals from each corner to the opposite corner, they intersect at 90 degrees.

## Is any 5 sided shape a Pentagon?

In geometry, a pentagon (from the Greek πέντε pente and γωνία gonia, meaning five and angle) is any five-sided polygon or 5-gon. … The sum of the internal angles in a simple pentagon is 540°. A pentagon may be simple or self-intersecting.

## What is the sum of the interior angles in a hexagon?

720°Hexagon/Sum of interior angles