Question

Find the perimeter of rectangle & if its length
is 3 times its breadth​

Answer 1

Answer:

l=3×b

then let the breadth as = x

then length =3x

permiter=2×(3x+x)

=>2×+4x

hope it will help you to get the best results.

please Mark's as brainliest

Answer 2

$perimeter = 2(l + b) \\ = 2(3x + x) \\ = 8x$