Answer:
Step-by-step explanation:
1:4
1:2
5:1
Answer: A 15
Step-by-step explanation:
Try this solution:
for the circle A: circumference=6π, area=9π
for the circle B: circumference=12π, area=36π
PS. formula for circumference is 'L=2πr', for area is 'S=πr²'.
Answer:
C
Step-by-step explanation:
The common ratio r of a geometric sequence is
r =
=
=
×
=
→ C
The answer is A. Those are the four points that are graphed.