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Such are usually called equilateral triangles.

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Wat is a common name of a regular trinan

Q: What is the common name for a regular triangle?

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An equilateral triangle can also be called a "regular" triangle

A regular triangle would have all angles equal, each being 60o. Thus a right angled triangle is an "irregular" triangle in that one of its angles is 90o which is not 60o.

Triangle, square, hexagon.

Polgons that have equal sides and equal angles are regular polygons such as a square or an equilateral triangle

-- Every triangle, no matter what its shape or size, has three angles inside it that add up to 180 degrees. -- Whyen you say "regular right angled triangle", I hope you don't mean that all three of its sides are the same length ... that's what "regular" usually means in geometry. It's impossible for a right triangle to have all of its sides equal.

Related questions

Equilateral triangle, regular triangle.

An equilateral triangle can also be called a "regular" triangle

A regular triangle is an equilateral triangle. It can also be be called equiangular but that term is not used much.

equiangular and a regular triangle

Congruent

They are both regular polygons.

Triangle

Regular, Acute, and Equilateral * * * * * Regular and Equilateral are correct but not Acute. An acute triangle with angles of 50,60 70 degrees for example, is not regular. An equiangular triangle is the third possible name.

a triangle is not regular

I hope that you're not cheating on a quiz but an equilateral triangle can also be called a "regular" triangle.

Equilateral Triangle - if that is what you mean

There is no such thing as a regular isosceles triangle. The only regular triangle is an equilateral triangle. Having said that, any triangle will produce regular tessellation.