Answer:
D
Step-by-step explanation:
The radius r is the distance from the centre to a point on the circle.
Calculate r using the distance formula
r = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = (0, 0) and (x₂, y₂ ) = (- 5, - 12)
r = 
= 
= 
= 
= 13 → D
Here's what I got for the first question.
Did you want answers for the second one? I couldn't read that part of the image very well, if you did.
-32 = 4c -12
add -34 by 12 which is -20
divide it by 4
c = -5
Answer:
20 ft.²
Step-by-step explanation:
You can find the area (A) by multiplying the length (l) and width (w) of a shape together: l×w=A
Plug in the measurements for length and width and solve
4×5=A
20=A
