SOLUTION: how do you find the area of a rectangle if it has a perimeter of 24 cm?

Algebra ->  Surface-area -> SOLUTION: how do you find the area of a rectangle if it has a perimeter of 24 cm?      Log On


   



Question 93864This question is from textbook
: how do you find the area of a rectangle if it has a perimeter of 24 cm? This question is from textbook

Found 2 solutions by checkley75, FBOFalcons:
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
P=2W+2L=24 or 2W=24-2L or W=24/2-2L/2 or W=12-L
A=W*L NOW SUBSTITUTE (12-L) FOR W & SOLVE FOR L
A=(12-L)L
TO SOLVE THE NUMERIC VALUES OF THIS RECTANGLE YOU NEED AT LEAST THE LENGTHOR THE WIDTH OR THE RELATIONSHIP BETWEEN THE WIDTH & THE LENGTH.
A=12L-L*2

Answer by FBOFalcons(2) About Me  (Show Source):
You can put this solution on YOUR website!
HxL area= 24
24/12=2
24/2=12
Take Height times Length