# Question: Can A Pentagon Have Four Right Angles?

## What kind of angles are found in a Pentagon?

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

## Which shape has right angles?

rectangleA rectangle is a four-sided shape where every angle is a right angle (90°). Also opposite sides are parallel and of equal length.

## What is the measure of the interior angles of a pentagon?

108°Pentagon/Internal angle

## How many right angles does a trapezoid have?

two right anglesConsider the trapezoid The trapezoid has two right angles.

## Can a Pentagon be any shape?

Pentagons can be regular or irregular and convex or concave. A regular pentagon is one with all equal sides and angles. Its interior angles are 108 degrees and its exterior angles are 72 degrees. An irregular pentagon is a shape that does not have equal sides and/or angles and therefore do not have specified angles.

## Why does a Pentagon have no parallel lines?

Regular pentagons do not have parallel sides. Just like any regular polygon, going around a pentagon completes one full circle, so the exterior angles are found by dividing 360° by the number of sides, in this case, 360°5 = 72° 360 ° 5 = 72 ° .

## Does a diamond have 4 right angles?

But a diamond also has four equal sides and right angles at the corners. … it says something like, “I see a four-sided shape with points on the top and bottom and sticking out of the sides.

## Can a trapezium have 4 right angles?

Answer and Explanation: A trapezium cannot have four right angles. A trapezium is a quadrilateral, which means that it has four sides and four angles, and the total of its…

## 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 self-intersecting regular pentagon (or star pentagon) is called a pentagram.

## Do Hexagon have parallel lines?

A regular hexagon, which means a hexagon with equal sides and equal interior angles, is the shape that has 3 pairs of parallel sides.

## Does a rectangle always have 4 right angles?

A parallelogram has two parallel pairs of opposite sides. A rectangle has two pairs of opposite sides parallel, and four right angles. It is also a parallelogram, since it has two pairs of parallel sides. … No, because a rhombus does not have to have 4 right angles.

## Does a Pentagon have right angles?

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

## What is a shape with 4 right angles?

Rectangle: A parallelogram with 4 right angles. Rhombus: A parallelogram with 4 sides with equal length.

## 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).

## What is the formula for interior angles?

You can use the same formula, S = (n − 2) × 180° S = ( n – 2 ) × 180 ° , to find out how many sides n a polygon has, if you know the value of S , the sum of interior angles.

## Can a Pentagon have all obtuse angles?

Since an obtuse is any angle greater than 90∘ but less than 180∘ , this means that 108∘ must be an obtuse angle. Since there are 5 108∘ angles in a pentagon, then there are 5 obtuse angles in a regular pentagon.

## What shape is less than a right angle?

As the Angle Increases, the Name Changes:Type of AngleDescriptionAcute Angleis less than 90°Right Angleis 90° exactlyObtuse Angleis greater than 90° but less than 180°Straight Angleis 180° exactly2 more rows

## What shape has exactly 3 right angles?

What shape has 3 right angles? Place a right triangle on top of a rectangle: At the base there are two right angles and at the top there is a third, so the figure has three right angles. As there is no specification for polygon , it can be square or rectangle also.