The number of equal angles an arc subtends in the opposite segment is _________ .
In a circle of a radius 21 cm, an arc subtends an angle of 60∘ at the centre. Find the length of the arc.
The number of equal angles an arc subtends in the opposite segment is _______.
The number of equal angles an arc subtends in the opposite segment is two.
The number of equal angles an arc subtends in a segment is two. Is this true or false?