Results 1 to 2 of 2

Math Help - Rectangle's Dimensions

  1. #1
    Newbie
    Joined
    Mar 2013
    From
    canada
    Posts
    1

    Rectangle's Dimensions

    A rectangle has a perimeter of 23cm. Its area is 33cm². Determine the dimensions of the rectangle.

    Can anyone help?


    sat online tutoring
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Senior Member
    Joined
    Feb 2013
    From
    Saudi Arabia
    Posts
    439
    Thanks
    86

    Re: Rectangle's Dimensions

    Homertyson...
    each rectangle has the opp sides equal...in your case let one be x and the other y
    then what is the perimeter.....it is 2x+2y and it is 23 cm this is one equation.

    then what is the area of this rectangle? it is xy and it is equal to 33 cs square.
    if you understand all these then the only thing remaining is to solve the system of simultaneous equations

    2x+2y=23
    xy=33
    to find the dimensions of the rectangle..solve it to find x=6 and y=11/2

    MINOAS
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Rectangle's Dimensions
    Posted in the Algebra Forum
    Replies: 9
    Last Post: April 16th 2010, 07:47 PM
  2. Replies: 1
    Last Post: November 23rd 2009, 06:41 PM
  3. Dimensions of Rectangle
    Posted in the Geometry Forum
    Replies: 2
    Last Post: December 7th 2008, 09:03 AM
  4. Dimensions of a rectangle
    Posted in the Geometry Forum
    Replies: 1
    Last Post: February 18th 2008, 10:10 PM
  5. Rectangle Dimensions
    Posted in the Geometry Forum
    Replies: 6
    Last Post: January 25th 2007, 03:19 PM

Search Tags


/mathhelpforum @mathhelpforum