I think................U do 100 = 10 because 100 is the hundreds and the tenths is the 10.
Answer:

Step-by-step explanation:
First, we establish the following:
- B, A and C are on the circle
- AC is a diameter
- The center of the circle is O
Therefore:

The inscribed angle theorem states that an angle inscribed in a circle is half of the central angle that subtends the same arc on the circle.
Therefore:
