
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
June 20th, 2011, 12:37 PM  #1 
Newbie Joined: Jun 2011 Posts: 4 Thanks: 0  I'm a parent going back to school part 2
Can someone break this simple math down for me? It's been a long time since I was in school. The area of a circle with a diameter of 240mm is: The multiple choice answers are cm2. 
June 20th, 2011, 12:46 PM  #2 
Newbie Joined: Jun 2011 Posts: 4 Thanks: 0  Re: I'm a parent going back to school part 2
I have the answer key because I'm studying for a placement exam; the answer is 452.16cm2 and I was just wondering how you get that answer.

June 20th, 2011, 01:47 PM  #3 
Newbie Joined: Jun 2011 Posts: 4 Thanks: 0  Re: I'm a parent going back to school part 2
Figured it out on my own, thanks anyways.

June 20th, 2011, 02:02 PM  #4 
Global Moderator Joined: Dec 2006 Posts: 18,417 Thanks: 1462 
Since ? isn't exactly 3.14, that's not quite right. The area is ?d²/4, where d is the diameter.

June 21st, 2011, 02:27 PM  #5  
Newbie Joined: Jun 2011 From: United States Posts: 11 Thanks: 0  Re: I'm a parent going back to school part 2 Quote:
 

Tags 
back, parent, part, school 
Search tags for this page 
Click on a term to search for related topics.

Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
lexical parent  shaharhada  Computer Science  1  February 7th, 2014 01:20 PM 
I'm a parent going back to school  newphorik  Algebra  10  June 23rd, 2011 11:51 PM 
Going back to school? Need advice!  Mariogs379  Academic Guidance  6  April 9th, 2011 11:37 AM 
Back to school! Returning after an extended absence.  cc2008  New Users  3  March 21st, 2008 01:02 PM 
the hardest part in elementary school math is..  johnny  Elementary Math  5  August 10th, 2007 09:18 AM 