Answers

2014-01-12T23:59:53+08:00
P= 2L+2W
62= 2(x+7) +2x
62= 2x+14+2x
4x= 62-14
4x= 48
 x=12

To find the area, use the formula A=lw
 A= (19) (12)
A= 228  cm^{2}
1 5 1
Thank you! :)
But, can i ask where did you get 19? from A=(19)(12)
from the equation 2(x+7)