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

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Q: Why do triangles equal 180 degrees?
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Related questions

What do isosceles triangles equal?

180 degrees, same as all triangles

How many degrees is the right triangle?

180 degrees... all triangles equal 180.

Do all polygons equal 180 degrees?

No, only triangles do.

Are all triangles equal to 180 degrees?

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

When will a triangle not equal 180 degrees?

never In non-Euclidean geometry triangles can have angles that are more or less than 180 degrees.

Does an equallaterail triangle equal 360 degrees?

No. The sum of the angles in ALL triangles is equal to 180 degrees. No triangle's angles equal 360.

What generalization can you make about all triangles?

all inner angles are equal to 180 degrees

What is true about the angles and sides on similar triangles?

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

Does and isocolies triangle equal 180 degrees?

Assuming the question was if an isosceles triangle have angles that add up to 180 degrees, then yes. All triangles have angles that add up to 180 degrees.

Can a triangle equal more than 180 degrees?

Yes. Only triangles on a flat plane have angles summing 180°.

Do all triangles equals 180?

A triangle doesn't equal 180, but the sum of the internal angles of every triangle equals 180 degrees.

What do the angles of a five sided polygon add up to?

540 degrees. you figure it out by seeing how many triangles you can make in the polygon (without crossing lines), and, because triangles equal 180 degrees, you multiply 180 times how many triangles you can make.