l=4xw=9
The perimeter of a rectangle is equal to the sum of all sides of the rectangle.
length+length+width+width=2⋅(length)+2⋅(width)
Substitute the values of the length l=4 and width w=9 into the formula for the perimeter of a rectangle.
2⋅4+2⋅9
Multiply 2 by 4.
8+2⋅9
Multiply 2 by 9.
8+18
8+18
Add 8 and 18.
26 x
Find the Perimeter rectangle (4x)(9)