27, 36, 45 are greater than 20 and multiples of 9.
Circumference = 2 pi r
2 pi r = 200
r = 100 / pi
Area of base = pi r r
Area of base = 100*100 / pi
Area of base = 3183.1 sq. m.
Answer:

Step-by-step explanation:

The answer is C, you can solve this by sin(30)= 8/c since sine is opposite over hypotenuse and since c equals 16 there is only one possible solution
Answer:
There is no common difference
Step-by-step explanation: