The length of a rectangle is 5 cm longer than its width

Mathematics
Tutor: None Selected Time limit: 1 Day

The length of a rectangle is 
 
 longer than its width. 
If the perimeter of the rectangle is 
 
 , find its area.
Feb 13th, 2015

let the width of rectangle be "x"
so, length = x+5

perimeter is given by = 2(length + width) = 2(x+x+5) = 2(2x+5) = 4x+10
given perimeter = 42

so, 4x+10 =42
4x = 32
x=8

so, width = 8 cm
length = x+5 = 8+5 = 13 cm

so, area of rectangle = length* width = 8*13= 104 cm square

Please appreciate my help, by selecting my answer as the best, and add me as your tutor, Thanks!

Feb 13th, 2015

Are you studying on the go? Check out our FREE app and post questions on the fly!
Download on the
App Store
...
Feb 13th, 2015
...
Feb 13th, 2015
Dec 11th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer