Question

length of a rectangle is thrice the breadth if perimeter is 104cm find it's area,if area is 972cm2 find it's perimeter​

Answer 1

Answer:

let breadth=x

length=3x

perimeter =2(l+b)

=2(4x)

=8x

8x=104

x=104/8

x=13

length=3x=39

breadtg=x=13

area=l*b

=13*39

=507

if area is 972

x*3x=972

3xsq=972

xsq=324

x=root324

x=18