Question

the length of a rectangle is twice its breadth. If the perimeter of the rectangle is 180cm find its dimension.​

Answer 1

Answer:

Let the rectangle has the width of y cm

So, the length of rectangle 2y

Perimeter of the rectangle =180 cm

⇒ 2(2x+x)=180

⇒ 3x=

2

180

⇒ 3x=90

⇒ x=

3

90

⇒ x=30

Therefore, 30 cm is width of rectangle and length of rectangle is 60 cm.