Question

find the area of a rectangle whose perimeter is 47 M and length is 15 m

Answer 1

Perimeter of rectangle =2(l+b)
47=2(15+b)
47/2=15+b
23.5-15=b
8.5m=b

Area of rectangle =l*b
=15*8.5
=127.5m^2 is the correct answer

Hope it is helpful