Rectangular room with 100 square ft and 10 leght, perimeter?

Question

 A rectangle bedroom floor has an area of 100 square feet and a leght of 10 feet.what is the perimeter

Answer 1

First find the height using the area formula for rectangle.

 

height = area / length

height = 100 ft² / 10 ft

height = 10 ft

 

Then use the perimeter formula for rectangle.

 

Perimeter = 2(length + width)

Perimeter = 2(10 ft + 10 ft)