What is the perimeter of a rectangle with length 15 cm and width 4 cm? and?

Perimeter is ##38## ##cm.##
Perimeter of a rectangle with length ##l## and width ##w## is given by
##2xx(l+w)##
Hence perimeter of a rectangle with length ##15## ##cm## and width ##4## ##cm## is
##2xx(15+4)=2xx19=38## ##cm##