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To what do the internal angles of a triangle add?
In Euclidean geometry, 180. Other answers are possible, depending on the surface on which the triangle is drawn.
How can you determine whether a triangle is a right triangle if you only know the lengths of the sides?
If it is a right angled triangle it will conform to Pythagoras' Theorm: The square of the hypotenuse = the sum of the squares on the other two sides. The hypotenuse would be the longest side, so add the two shorter sides squared together and if this equals the longest side squared then the triangle is a right angle triangle.
What is the definition of right scalene triangle?
A scalene triangle has 3 sides of different lengths and 3 interior acute angles that add up to 180 degrees
If a triangle has side lengths a b and c and if a2 plus b2 equals c2 then the says that the triangle is a right triangle?
no because even if a2 and b2 both add up to c2, it doesnt mean that they are the same length. one could be long and the other short but still add up to c2. a2 and c2 have to be equal to be a right angle. (apex) converse to the Pythagorean theorem
How do you find the linear footage of a triangle?
Add together the lengths of the three sides.
