Answer:
1. 47.1
2. 138.16
3. radius- 2.5 diameter- 5 circumference- 15.7
4. radius- 8.5 diameter- 17 circumference-53.4 or 53.38
5. radius- 14.2 diameter- 28.4 circumference-89.176 or 89.2
6. radius- 3.3 or 3.25 diameter- 6.5 circumference-20.41 or 20.4
Step-by-step explanation:
hope this helps sorry for late reply :)
B is the correct answer 12
5) since (x-a)^2+(y-b)^2=r^2
plug in (-5,2) as (a,b) and r=3
Making the equation:
(x+5)^2+(y-2)^2=9
6) (x-0)^2+(y-0)^2=r^2
since we have (0,5)
0^2+5^2=r^2
Final equation: x^2+y^2=25