Respuesta :
2 cm by 5 cm
each of the lengths are divided by two (4/2=2, 10/2=5) to give you the lengths of the poster half of its size
technically you aren't dividing the poster in half, you are multiplying its size by one half.
each of the lengths are divided by two (4/2=2, 10/2=5) to give you the lengths of the poster half of its size
technically you aren't dividing the poster in half, you are multiplying its size by one half.