This parallelogram is a scaled copy. It was scaled by a factor of
4
1
​
. Suppose you want to scale it back to its original size.
What scale factor should you use?
A parallelogram with a base of 10 cm and a height of 4 cm.
To scale back to the original, use a scale factor of
4
.
Nice!
What are the base and height of the original parallelogram?
A parallelogram with a base of 10 cm and a height of 4 cm.
Original parallelogram Scaled copy
Base
2.5
cm 10 cm
Height
1
cm 4 cm
To scale back to the original, use a scale factor of 4 .