Question

The length of a rectangular is four times its breadth and the perimeter of the renctangule is 90 m find the dimensions of the rectangule

Answer 1

Step-by-step explanation:

Breadth is 9 and length is 36

Step-by-step explanation:

PERIMETER= 2(l+b)

length is four times breadth

SO l= 4b

HENCE

90= 2(4b+b)

45=5b

9=b

SO, Breadth is 9 and length is 36

Answer 2

Answer:

Let the breadth =x

therefore lenght=4x

Perimeter of rectangle=2(lenght+breadth)

90m = 2(4x+x)

90m= 2*5x

90m=10x

x=90m/10

x=9m

now, lenght=4x=4*9=36m

breadth=x=9

hence, dimensions of rectangle are 36m and 9m