It can be but need not be.
Because a right angle is a right angle.
Assuming your question is what makes a right-angle, it is an angle of 90o .
because a right angle is right and a left angle is wrong
The side opposite the right angle of a right angle triangle is the hypotenuse
This is the formula to find the hypotenuse of a right angle trianle
it can have - an isosceles trianle has 2 sides of equal length so these could be like this /\ without a right angle or L shaped with a right angle
180 degrees
Trianle Tri is Latin for three, angle is of obscure derivation.
No.
a right angle is a right angle
180 degrees
It can be but need not be.
Because a right angle is a right angle.
A right angle is an angle of 90 degrees.
Assuming your question is what makes a right-angle, it is an angle of 90o .
A right angle is a angle with 90o