

Given figure perimeter(P)= 26 and its length(L)=2x
2, wedth(W)=10
x
Use the perimeter formula of the figure to solve the problem.
\The perimeter P of a figure is given by the formula
.
Where L,W are called as length,wedth of the figure.
The values of L,W,P are 2x
2,10
x,26 are substitute in 
= 
Rearrange the terms using commutative property of addition:
.
= 
=
(Subtract:
)
Apply to divison property of equality: Divide each side by 2.
\
(Cancel common terms)
Apply to subtraction property of equality: Subtract 8 from each side.
\
(Subtract:
)
The value of
is substitute in 2x
2,10
x.
2x
2
.
10
x
.
The value of
and sides of the figure are 8,5.