Question

the perimeter of a rectangle is 84cm and its length is 4cm more than its breadth​

Answer 1

Answer:

84cm × 4cm

= 336cm

thanks for my answer

Answer 2

Step-by-step explanation:

let the breadth be x cm,

then the length is (x+4)cm.

Perimeter of rectangle=84 cm

=> 2(l+b) = 84cm

=> 2(x+4+x)=84cm

=>2×(2x+4)=84cm

=>4x+8=84cm

=>4x =84-8

=>x=76/4

=>x=19 cm

Hence, length=(x+4)=19+4=23cm

breadth=x=19cm