Question

the side of a rectangle are in the rotio 5 : 4 . if it perimeter is 72 cm , then the side of the equilateral triangle is ______​

Answer 1

Answer:

Step-by-step explanation:

Ratio of the length to breadth=5:4

Let length=5x

breadth=4x

Perimeter of the rectangle=72 cm

2(l+b)=72 m

2(5x+4x)=72

2(9x)=72

18x=72

x=72/18

x=4

Length=5x=5(4)=20 cm