Respuesta :
Scale:
3 cm = 1 m
4.2 ÷ 3 = 1.4 m
7.8 ÷ 3 = 2.6 m
New dimensions:
4.2 cm = 1.4 m
7.8 cm = 2.6 m
Because 3 is 1.5x the size of 2, you have to multiply the rectangle measurements by 1.5
So
4.2x1.5=6.3cm
7.8x1.5=11.7cm
So
4.2x1.5=6.3cm
7.8x1.5=11.7cm