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No, similar pentagons (or any polygon for that matter) must have corresponding congruent angles and all sides must be proportional to its corresponding sides. For example, if a square with a triangle on it is a pentagon, then a regular pentagon would not be similar to it (because corresponding angles are not congruent).

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โˆ™ 2009-03-19 01:00:19
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Q: Are all pentagons similar
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Related questions

Are all equilateral pentagons similar?

NO! Only REGULAR Pentagons. All equilateral triangles are similar!!!


Every pentagon is similar to every other pentagon?

No. But if you restrict yourself to regular pentagons, then all regular pentagons are similar.


Are two regular pentagons always similar?

Yes they are. All ten angles are 54 degrees.


Are All pentagons are polygons?

All pentagons are 5 sided polygons


Is regular polygons also similar?

-- All regular (equilateral) triangles are similar. -- All squares are similar. -- All pentagons are similar. -- All hexagons are similar. . . . etc. Any regular polygon is similar to all other regular polygons with the same number of sides.


Are all pentagons ploygons?

All pentagons are regular or irregular 5 sided polygons


Do all pentagons have congruent angles?

Yes providing that they are regular 5 sided pentagons otherwise no if they are irregular pentagons


Are two congruent pentagons either always sometimes and never similar?

If they are congruent they must be similar.


What are 2 similar pentagons?

Two pentagons that have corresponding angles congruent. First equals the first, second equals the second and so forth.


What is do regular pentagons and pentagons have in common?

All pentagons have five sides. When you see a five sided figure you will always know it's a pentagon.


Does Only an irregular pentagons interior angles have a sum of 540 degrees?

No, it is true of all pentagons.


Are regular pentagons similar?

Yes, because they will have 5 equal sides and 5 equal angles

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