The reason for this is that they are a pair of vertical angles and so both of the angles will be the same.
As it's a circle and circles add up to 360 degrees, the other 2 angles would be 59 degrees each as 360-252 = 108 and 108/2 = 59 degrees. They are also vertical.
Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.