Answer: Triangle ADB is congruent to CBD
Step-by-step explanation:
S1: Try to measure the sides to look alike.
S2: Compare your answers to someone in your class!!!
Number 5 is $25. Sorry, I couldn't do the rest.
Answer:

Step-by-step explanation:

Answer:
Simplified Version (14, 14, 11)
Exact Value 14, 20, 5, 2
Step-by-step explanation:
If it is wrong, it is not my fault since there are many ways to solve this problem
We know that:

is an equation of a circle.
When we substitute x and y (from the pairs we have), we'll get a system of equations:

and all we have to do is solve it for a, b and r.
There will be:

From equations (II) and (III) we have:

and from (I) and (II):

Now we can easly calculate a and b:

Finally we calculate

:

And the equation of the circle is: