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www.reference.com/math/many-obtuse-angles-pentagon-99a0dd...

According to the University of Washington math department, a regular pentagon has five obtuse angles. The sum of all angles for a regular pentagon is 540 degrees, making each angle 108 degrees. Any angle over 90 degrees is obtuse. The pentagon is a flat-shaped, five-sided polygon. Irregular polygons are considered convex or concave.

Hi A pentagon has 540 degrees and five sides. If it is a regular pentagon, then each angle is 108 degrees. An obtuse angle is greater than 90°. A pentagon can be constructed with 2 obtuse angles ...

www.algebra.com/algebra/homework/Polygons/Polygons.faq...

So you must have 5 sides because a regular pentagon has 108° interior angles, and a 108° angle is an obtuse angle. Maybe your teacher wants you to do it this way: Since an obtuse angle is one greater than 90° You could get the answer by the inequality Multiply through by n.

How many obtuse angles does a pentagon have? Hi A pentagon has 540 degrees and five sides. If it is a regular pentagon, then each angle is 108 degrees. An obtuse angle is greater than 90Â°. A ...

A perfect pentagon will be made of 3 triangles each having 180° as mentioned earlier. Therefore the ultimate sum of its angles will be 540°. If each angle is equivalent (an equiangular pentagon), then you would divide 540° into 5 equal vertices; 108°. This means that each angle is obtuse.

brainly.com/question/1999239

How many acute/obtuse/right angles does a pentagon have Ask for details ... SilverWolf1234 +1. Niccherip5 and 1 more users found this answer helpful It has no acute angles, 5 obtuse angles, and no right angles. 0.0 0 votes 0 votes Rate! Rate! Thanks. 2. ... All rectangles have two pairs of parallel sides and four right angles.All squares are ...

math.stackexchange.com/questions/2524163/how-many-reflex...

I think the first of the polygons that can have a reflex angle is the pentagon. For a hexagon, a maximum of 2 reflex angles is possible. I tried to draw many concave polygons to find out a rela...

socratic.org/.../how-many-obtuse-angles-in-a-regular-pentagon

5 To find the number of obtuse angles in a regular pentagon, we first need to find the sum of the interior angles in a pentagon. We can calculate the sum by using the formula: 180^@(n-2) where: n = number of sides the polygon has 180^@(n-2) =180^@((5)-2) =180^@(3) =540^@ Since the pentagon is a regular polygon, this means that all of the 5 angles are equal to one another.

socratic.org/.../how-many-obtuse-angles-does-a-hexagon-have

Every regular hexagon has six interior angles of 120-degrees. By definition, an obtuse angle is any angle greater than 90 and less than 180 degrees. Thus, any regular hexagon fulfills your criteria.

quizlet.com/19979212/chapter-7-geometry-flash-cards

Chapter 7: Geometry. Sections 1- 8. STUDY. PLAY. point. A _____is a location. A _____ has no size. ... How many obtuse angles does an obtuse angle have? ... four. How many sides does a quadrilateral have? five. How many sides does a pentagon have? six. How many sides does a hexagon have? eight. How many sides does an octagon have? ten. How many ...

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