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The opposite is in fact true; the total internal angles of all triangles is exactly 180 degrees.

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16y ago

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Why is it impossible for a triangle to contain an 180 degree angle?

The sum of the three included angles of a triangle always = 180 degrees. So if one angle = 180 degrees (a straight line) then the other two included angles will be = 0 degrees which cannot make a triangle.


Why is it impossible for a triangle to a contain a 180 angle?

The sum of all three angles in a triangle is 180 degrees. If one angle has 180 degrees then there are no degrees left for the other two. If it is a fraction less than 180 degrees then the other could split up the small fraction.


How is it impossible for a triangle to contain a 180 degree angle?

Because the 3 interior angles of a triangle must add up to 180 degrees and not 1 angle on its own


Can a triangle contain an obtuse angle and a right angle?

No because the 3 interior angles of a triangle add up to 180 degrees


Why is impossible a triangle to contain a 180 grades degree angle?

By definition, a triangle must have three angles. It is also known that the interior angles of a triangle must total 180 degrees. If a triangle contained a single interior angle of 180 degrees, the other angles of the supposed triangle would both have to be zero, and the supposed triangle would be a straight line.


Why is it possible for a triangle to contain a 180 degrees angle?

because 180 degrees is a strait line, thefore unless the triangle does not have any strait lines the triangle has 3 180 degree angles in it.


How many digrees in a triangle?

Triangles contain 180 degrees


Why it is impossible for a triangle of 181?

If you mean 181 degrees then it is impossible because the 3 interior angles of any triangle will always add up to 180 degrees.


Can a triangle have more than one right triangle?

No, because a triangle can only have 180 degrees max, and a right angle has 90 degrees, that means that if there are 2 right angles in a triangle, there will already be 180 degrees, meaning that it will be impossible to make a triangle.


What type of triangle is this with 180 degrees?

This is an impossible triangle as the sum of all three angles in a triangle sum to 180o


Why is it impossible for a triangle to contain a 180 degree angle?

By definition, a triangle must have three angles. It is also known that the interior angles of a triangle must total 180 degrees. If a triangle contained a single interior angle of 180 degrees, the other angles of the supposed triangle would both have to be zero, and the supposed triangle would be a straight line.Triangles have 3 angles.All of the interior angles must add up to 180 degreesIf 1 of them was 180 degrees, the other 2 angles would have to equal 0 degrees, in which case, it would just be a line.


If two angles in a triangle are 120 degrees what would the third angle be?

The premise is impossible. The sum of the angles of a triangle is 180 degrees.