I think 2 equal ratios are called a <u>proportion</u>
Answer:
Step-by-step explanation:
1 and 2 are vertical angles
Answer:
The center of the circle is:
Thus, option (2) is true.
Step-by-step explanation:
The circle equation is given by

here,
Given the equation



comparing with the circle equation

Therefore, the center of the circle is:
Thus, option (2) is true.