The length of her room is 4 meters.
What is the perimeter of the room?
The formula for the perimeter of a rectangle is (width + height) x 2.
Adrianna's bedroom has a perimeter of 14 meters.
The width is 3 meters.
Let, the length of her room be x.
The length of her room is;
[tex]\rm Perimeter \ of \ room =2 (Length +Width)\\\\14 =2(x + 3)\\\\14 = 14=2x+6\\\\2x=14-6\\\\2x=8\\\\x=\dfrac{8}{2}\\\\x=4[/tex]
Hence, the length of her room is 4 meters.
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