Question 428725
L=2W-1
LW=45
(2W-1)W=45
2W^2-W-45=0
(2W+()(W-5)=0
W-5=0
W=5 ANS.
L=2*5-1
L=10-1
L=9 ANS.
2L+2W=P
2*9+2*5=P
18+10=P
28=P ANS. FOR THR PERIMETER.