Element of Circle
the central angle (α) = (the length of the arc x 360°)/2πr (r = radius)

convert to rad:

Answer:
Kaylee wins.
Step-by-step explanation:
Melissa-> 1 Point
((5*2)-12)+3
(10-12)+3
-2+3
1
Kaylee-> 6 Points
((-3*2)-1)+6+7
(-6-1)+13
-7+13
6
Answer: B
Step-by-step explanation:
Answer:
Dude the answer is B
Step-by-step explanation:
Answer:
circle b and it is bigger by 1 centimeter
Step-by-step explanation:
since circle b has a radius of 5 and radius is have of the diameter you have to do 5+5 to get the diameter when you do that you get 10 and then you have to subtract circle a diameter which is 9 from circle b diameter which is 10 so 10-9 is 1