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! :)
Answer:
I think its the third one
Step-by-step explanation:
Answer:
7.25
Step-by-step explanation:
Step-by-step explanation:
I can't see good the picture
Answer: 
Step-by-step explanation:
Given
The area of the base is 
height of the triangular prism is 
The volume of a triangular prism is 
The volume of given Prism is

The volume of the triangular prism is 