Question

Find the perimeter
length 12 cm breadth 9cm​

Answer 1

Answer:

42 cm

Step-by-step explanation:

Perimeter of rectangle = 2(length+breadth)

                                      =2(12 cm + 9 cm)

                                      =2×21 cm

                                      =42 cm

Answer 2

Answer:

As given

Length = 12 cm

Breadth = 9 cm

Perimeter = 2( l+b ) = 2(12+9) = 2×21 = 42 cm

I hope it helps you....