A rectangle, 6cm long and 3cm wide, enlarged by 5:1, the area of the figure is ()
6x3x5x5 = 450 square centimeters
A graph is scaled to 4:
It's twice as long
It's twice as wide
The area is four times the original
When a figure is enlarged by a scale of 1:3, the length of each side of the figure is enlarged to () times of the original, but () of the figure remains unchanged
3 times shape