SOLUTION: a rectangle has a perimeter of 80.0cm . one side has a length of 28.0cm. what is the length of the adjacent side? (formula : P=2L + 2W).

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: a rectangle has a perimeter of 80.0cm . one side has a length of 28.0cm. what is the length of the adjacent side? (formula : P=2L + 2W).      Log On


   

Question 711579:
a rectangle has a perimeter of 80.0cm . one side has a length of 28.0cm. what is the length of the adjacent side? (formula : P=2L + 2W).
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L+2W
80=2*28+2W
80=56+2W
2W=80-56
2W=24
W=24/2
W=12 ANS. PROOF:
80=2*28+2*12
80=56+24
80=80