90 degrees
No, not really. The two remaining interior angles have to add up to 90, since the sum of the angles in a triangle must total 180. The right angle means you have already used 90, so the remaining two must have a sum of 90. There is a more complex answer. Right triangles can have an external angle of 140. If angle A is 90 degrees, and angle B is 40 degrees, then angle C will be 50 degrees. The external angle at the extension of AB, through corner B, namely the extension of a ray from A through B, will create an angle with segment CB. It will be the sum of the measures of A and C: 140 degrees.
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
360 degrees take away the internal angle
no, the internal angles of a hexagon are 120 degrees and the external angles are 60 degrees.
Each external angle of a square is 270o (360o - 90o).
yes.
a right angle is a right angle
No, not really. The two remaining interior angles have to add up to 90, since the sum of the angles in a triangle must total 180. The right angle means you have already used 90, so the remaining two must have a sum of 90. There is a more complex answer. Right triangles can have an external angle of 140. If angle A is 90 degrees, and angle B is 40 degrees, then angle C will be 50 degrees. The external angle at the extension of AB, through corner B, namely the extension of a ray from A through B, will create an angle with segment CB. It will be the sum of the measures of A and C: 140 degrees.
Because a right angle is a right angle.
A right angle is an angle of 90 degrees.
An external angle is the angle between the outside of one side and the extension of the adjacent line. They all add to 360o.
A right angle is a angle with 90o
Assuming your question is what makes a right-angle, it is an angle of 90o .
It is: "angle a is not a right angle" or "angle a is greater than or less than a right angle".
because a right angle is right and a left angle is wrong