Question

the length of a rectangle is 1cm more than two times its breadth. its perimeter is 80 cm . what is its length

Answer 1

Let Breadth be x

Then length = 2x+1

Now p= 2(l +b)

P = 2( x+ 2x +1)

80 =2(3x +1)

80 = 6x + 2

6x = 78

x = 13 cm

Therefore breadth = 13 cm and length = 27cm.

Answer 2

The attached file is in two half do see both..