Verified answer

Answer:

Length = 21cm and Breadth = 7cm

Step-by-step explanation:

Given :-

perimeter of rectangle = 96cm

Find :-

length and width of the rectangle.

Solution :-

According to question,

The length of rectangle is three times its width.

Formula of rectangular field = 2( L + B )

96 = 2 ( 3B + B )

96. = 2 × 4B

96 = 8B

96/8 = B

7 = B

B = 7cm

L = 3B

= 3 × 7cm

= 21cm

Length = 21cm and Breadth = 7cm