Answer:
8
Step-by-step explanation:
Take the length and multiply it by 2. then take your answer and multiply it by the perimeter. Then, take that answer and divide it by 2. Hope this helps :)
Hello.
To find the perimeter of a rectangle, use the formula P = 2(l + w).
Input 39 as l.
94 = 39 + 39 + w + w
Simplify
94 = 78 + 2w
Subtract the two known numbers
94 - 78 = 16
16 = 2w
So that means w = 8.
The width is 8.
