Circumference= 2πr
Circumference= perimeter
14.28km= 2(3.14)r
14.28= 6.2831853072r
divide both sides by 6.2831853072
2.27= r
ANSWER: The radius is 2.27km
Hope this helps! :)
I think it'd be better if you gave us some sort of diagram with it?
Answer:
<u>c = 10 - 11(0.65)</u>
Step-by-step explanation:
The equation is :
<u />
Change will be :
The sum of n terms is given from the first term and the common ratio by

For your given values of a1=-11, r=-4, n=8, the sum of 8 terms is

Answer:
dont know
Step-by-step explanation: