true
90° . That's true of any triangle. Doesn't have to be isosceles.
It is true.
true
It is a right angle triangle or an isosceles right angle triangle
The converse is, "If a triangle is isosceles, then it is equilateral." Neither is true.
true
True
90° . That's true of any triangle. Doesn't have to be isosceles.
It is true.
true
Yes, it is true.
Absolutely false. A scalene triangle by definition has no side equal to another. An isosceles triangle by definition has two equal sides.
It is a right angle triangle or an isosceles right angle triangle
An acute triangle can be an isosceles triangle, but it doesn't have to be. An isosceles triangle can be an acute triangle, but it doesn't have to be.
true
isosceles triangle