Monday

March 2, 2015

March 2, 2015

Posted by **Vince** on Saturday, August 23, 2008 at 9:09pm.

- Math! -
**Reiny**, Saturday, August 23, 2008 at 10:54pmI assume you are looking for the value of R

Original rectangle has area 15x12 or 180 cm^2

new length = 15-R

new width = 12+R

so 180 - (15-R)(12+R) = 4

solve for R

**Answer this Question**

**Related Questions**

mathematics - the lenght of a rectangle is twice its width.If the width is ...

math - the width of a rectangle is 4cm and the length is 8 cm if both the width ...

trigonometry - the length of a rectangle is 2cm longer than the width. if its ...

trigonometry - the length of a rectangle is 2cm longer than the width. if its ...

math - a rectangle is twice as long as it is wide. if both of its dimensions are...

math - the dimensions of a rectangle are such that its length is 3 inches more ...

math - the length of a rectangle is 5cm ...the area of a rectangle is the same ...

Quadratic Equation - The dimensions of a rectangle are such that its length is 3...

algebra - the dimensions of a rectangle are such that its length is 5 in more ...

Algebra - The dimensions of a rectangle are such that it's length is 9 in. more ...