Question

The area of square field is 484 cm². The perimeter of the

square is equal to the perimeter of a rectangular field whose

length is thrice its breadth. Find the dimensions of the

rectangular field.
Answer is length = 33
breadth = 11 cm
please how it came​

Answer 1

Answer:

l=33, b=11

Step-by-step explanation:

Area of square=484

Side of sqaure=√484=22

Perimeter of square=4x22=88

Now, perimeter of rectangle =2(l+b)

But given l=3b

88=2(3b+b)

44=4b

b=11

So, l=3b=3x11=33