Answer:
The radius is: 
Step-by-step explanation:
The equation of a circle in center-radius form is:

Where the center is at the point (h, k) and the radius is "r".
So, given the equation of the circle:

You can identify that:

Then, solving for "r", you get that the radius of this circle is:

Here you go! I hope I can get brainliest!
Answer:
SSS
Step-by-step explanation:
Can't be AA. (no angles given)
Can't be SAS. No angles Given
Can't be not. (CPCTC)
Answer:
D. 1,019 square feet
Step-by-step explanation:
10x13x8 - 3x7