Question

The length of a rectangle is twice its breadth and its perimeter is 42m, then its breadth

is

1. 14m 2. 7m 3.21m 4. 7cm​

Answer 1

Answer:

let it's breadth be x

length = 2x

perimeter of a rectangle

42 = 2(2x+x)

42 / 2 = 3x

$x = \frac{21}{3}$

$x = 7$

breadth = 7m

hope it helps you ✌️