SOLUTION: Helping my child do her math and could use some help.
The length of a rectangle is 9 cm less than twice its width. If the area of the rectangle is 11cm squared, find the dimens
Algebra ->
Customizable Word Problem Solvers
-> Travel
-> SOLUTION: Helping my child do her math and could use some help.
The length of a rectangle is 9 cm less than twice its width. If the area of the rectangle is 11cm squared, find the dimens
Log On
Question 863010: Helping my child do her math and could use some help.
The length of a rectangle is 9 cm less than twice its width. If the area of the rectangle is 11cm squared, find the dimensions of the rectangle.
Many thanks in advance, Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the width = the length
------------------------
The area = ( length ) x ( width )
Use the quadratic formula
and
------------------
The dimensions are:
5.5 cm x 2 cm
---------------
check: cm2
OK
