it has a right angle in there
Chat with our AI personalities
The letter E would be at the vertex. The two lines enclosing the angle E would be ED and EF. Usually, to make it quite clear we would call angle E by the description "angle DEF or angle FED (they are the same angle).
The capital letter E has no acute angles but it does have right angles.
Three right angles, where one of the "arms" of the angle curves inwards which makes the angle appear less than a right angle.
The letter "R".
It is an angle that on both sides it has a right angle