Best Answer

It is a consequence of Euclids's parallel postulate.

Q: Why does a triangles angles always add up to 180 degrees?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

All the Angles and sides on Triangles are always going to equal 180 Degrees

The sum of the 3 angles of a triangle will ALWAYS equal 180 degrees.

they all have three sides, three angles, and the sum of their angles is always 180 degrees.

Yes the 3 interior angles of any triangle always add up to 180 degrees

Yes, all triangles have the sum of their angles as 180 degrees.

Related questions

All the Angles and sides on Triangles are always going to equal 180 Degrees

Yes. The three angles of a triangle always add up to 180 degrees.

The sum of the 3 angles of a triangle will ALWAYS equal 180 degrees.

all triangles have 180 degrees even isosceles

The total sum of all angles in any triangle is 180 degrees.

they all have three sides, three angles, and the sum of their angles is always 180 degrees.

Yes the 3 interior angles of any triangle always add up to 180 degrees

No, a triangle cannot have two angles. Triangles always have three sides and three angles that add up to 180 degrees.

Triangles total 180 degrees. Triangles have three angles. Two angles of 90 degrees total 180 degrees.

Interior angles are 180 degrees Exterior angles are 360 degrees

The sum of the internal angles of any triangle is always 180 degrees. It makes no difference what type of triangle; it is a fundamental truth of all triangles.

Yes, all triangles have the sum of their angles as 180 degrees.