right triangle
I'm pretty sure it's a right triangle I'm not sure though. Ask your teacher
This depends what you are trying to work out, and what kind of triangle you have.
The metric unit for distance/length is the metre, but what kind of formula are you asking for?
It depends on what kind of triangle.
Any kind of triangle can be made in a rectangle.
The kind of triangle with two sides the same length is an isosceles triangle.
The Penrose triangle.
a scalene triangle
right angle triangle
45 degrees is an angle, not a triangle.A triangle containing an angle of 45 degrees can be any kind of triangle except an equilateral triangle.
It doesn't ever fall outside of a triangle.
Either a scalene triangle or an isosceles triangle.