It is a right angled triangle with legs of equal length.
They equal 180 degrees.
It's the statement that in any triangle, the sum of the lengths of any two sides must be greater or equal to the length of the third side.
Yes, because an isosceles triangle has two equal base angles and two equal sides.
4
The phrase "truism is true" emphasizes the idea that a statement or belief is self-evident or universally accepted as true, often to the point of being considered overly obvious or simplistic. It suggests that the truth of the statement is so apparent that it requires no further proof or discussion. In essence, it highlights the redundancy of stating something that is already widely recognized as a fact.
A 45-45-90degree triangle is classified as an isosceles triangle.
Yes if you mean in degrees
true
true
true
false
true
true
true
the triangle has the greater perimeter
false
false