Answer:
Step-by-step explanation:
You need to solve the area sector of the bigger circle. Since we now the length of sector is 270, we can set up an equation.
Length of sector DC = 2
r
270 = 2
(8+OA) *(8+OA is the raidus of the bigger circle/sector)*
270/2
= 8 + OA (division)
135/
-8 = OA
135/
-8 = OB (because OA and OB are the raidus of the same circle, so they are congruent)
I hope this helps you! Please correct me if you see a miscalculation <3<3
14= 4 pi/6 pi = 2/3
15 = 8 pi/10 pi = 4/5
16 = no
C^2-a^2=b^2 b^2=81-36=45 x^2/36-y^2/45=1?
I think its 44. The amount of people increase by 12 every time you add more subs. Hope that helps!