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No!
A triangle has three points on it, and the sum of the exterior angles will always be greater than 180 degrees.
As a simple test, draw three dots in a triangle form, and join them up. Using a protractor, add the angles. This will be more 190degrees.
If you now place three dots in a straight line labelling them dots a, b, and c, and now join them up. The angle from the line between dots a-b, to the line between dots b-3 is 180degrees.
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Is exterior angle of a triangle 90 degrees?
A right triangle has one exterior angle that's 90 degrees. No other kind of triangle has. All three of the triangle's exterior angles always add up to 360 degrees.
What is The measurement of an exterior angle of a triangle is equal to the sum of?
Interior angle+exterior angle = 180 degrees
What are the measurements of any exterior angle of an equiangular triangle?
Each exterior angle measures 120 degrees
Which of these two regular polygons has the largest exterior angle heptagon or triangle .?
It is the regular equilateral triangle whose each exterior angle is 120 degrees
The measure of an exterior angle of a triangle is120 degrees the interior angles that are not adjacent to this exterior angle are congruent find the measure of the interior angles of the triangle?
They are all 60 degrees.
