Answer:
the answe is 10.30
Step-by-step explanation:
im also from k12 lol
And obtuse angle is greater than 90°
Helping hand read the hint it is 32.48
Answer:
Step-by-step explanation:
By definition a diameter goes through the center of the circle. So if we find the midpoint of the diameter, we will have the h and k of the center. Then we will use one of the points ON the circle as x and y and solve for r. Here goes:
to get a midpoint/center of (0, -9).
The standard form of a circle is

Filling in with h, k, x, and y:
which simplifies to
so

Now we can write the equation of the circle:

The second:

<span>The second equation is equal to the first multiplied
by -2, giving two coincident straight lines with infinite points in common
(solutions)</span>