Answer:
AB = 12.5
Step-by-step explanation:
BX is an altitude and a median. That means that triangle ABC is isosceles.
AB = CB
<u>AB = 12.5</u>
Answer:
Answers in the pics
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask ÷)
The equation in the given standard form is 
<h3>Equation of a circle</h3>
The standard equation of a circle is expressed as:

Given the equation 
Group the function to have:

Complete the squares to have:

Hence the equation in the given standard form is 
Learn more on equation of a circle here: brainly.com/question/1506955