SOLUTION: hi, i would like to how can i solve the following problem: ''the circumference of a semi-circle is 1000m. find its area.'' so please can you help me with this problem. thanks!

Algebra.Com
Question 91319: hi, i would like to how can i solve the following problem: ''the circumference of a semi-circle is 1000m. find its area.''
so please can you help me with this problem.
thanks!

Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!
the circumferance of a circle is 2pir or
1/2*2pir=100
pir=100
3.14r=100
r=100/3.14
r=31.85m.
area of a circle is pir^2
a=3.14*31.85^31.85
a=3.14*1014.4
a=3184m^2

RELATED QUESTIONS

hi, i would like to know the area of a regular heptagon who's perimeter is 1000m. can... (answered by stanbon)
this is a problem i would like to ask that if i know the perimeter of a parallelogram... (answered by checkley71)
this is a type of problem i was unable to solve. i was given the perimeter of a scalene... (answered by stanbon)
Sir, Pl. help me to solve this problem Length of a rectangular field is 23 mtrs... (answered by praseenakos@yahoo.com)
Okay. So how do you find the area of a semi-circle if you already have the perimeter? I... (answered by Alan3354,drk,edjones)
Hi, I have this problem on my Coure Test Review Packet. Its asking me 'What is the... (answered by richard1234)
I am having trouble with this problem. I can't figure out how to post a diagram so I will (answered by ankor@dixie-net.com)
hi, i was having some problem with a question, i would like to know a formula that can... (answered by Earlsdon)
To whomever answers this question you will need a pencil and paper to draw this problem... (answered by Earlsdon)