suppose you plan to build a raised flower bed using landscap

suppose you plan to build a raised flower bed using landscape timbers. which come in 8 ft lengths. you want the beds outer dimension to be 6ft by 4ft, and you will use three layers of timbers. The timbers are 6 in. in cross section, so if you make the bottom and top layer with 6ft lengths on the sides and 3ft lengths on the ends, and the middle layer with 5ft lengths on the sides and 4 ft lengths on the ends. you could build the bed out of the following lengths.

Solution

Ans-

Simply find the perimeter, add the length of the sides. The flower bed is to be enclosed with landscape timbers having perimeter given as below

. P = 4 ft + 5 ft + 7 ft + 6 ft + 8 ft P = 30 ft. it would require 30 ft of timber to build the bed.