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Mathematics 19 Online
marti:

A similarity transformation maps polygon ABCD to polygon PQRS. If the length of is 6 and the length of the corresponding side, , is 12, what is the scale factor of dilation? A. 2 B. 0.5 C. -6 D. 6

simsharrison:

OK, to solve this problem, first you need to know what a scale factor is. Do you know what a scale factor is?

marti:

yes

simsharrison:

Then what are options you know cannot be it. *mark out*

simsharrison:

Is there a diagram for this problem?

IsabelFriedmannbells:

its not a,d

simsharrison:

Now looking at it, can it be a negative?

simsharrison:

If so, how?

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