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If you took the three angles of a triangle and glued them on a piece of paper side by side the outer sides would make a straight line. A triangles three angles add up equal 180 degrees. A straight angle,line, equals 180 degrees.

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Q: Does a triangle and a line have equal 180?
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What if a triangle has one angle equal to 180 degrees?

It would be a straight line.


The triangles sum says that the 3 angle in a triangle always equal 180?

The three angles of a triangle are always equal to 180°, if not equal to 180° then it is not a triangle.


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It is impossible to have a 180 degree angle because all three of a triangle's angles have to equal 180. If you have one angle of 180, then you would have 2 angles of 0, making a plain old straight line.


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180 degrees


What polygon is equal to 180 degrees?

Triangle.


A triangle with three equal sides?

A triangle with equal sides ia an equilateral triangle, in it all the internal are equal the sum of which is 180 degrees.


If a triangle has 1 right angle can it have three equal sides how?

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