will medal first correct answer Joanna uses a magnifying glass to view a picture.
The magnifying glass makes the picture look twice
as big as the actual picture. What is the scale factor
of the dilation created by the magnifying glass?

Question

will medal first correct answer Joanna uses a magnifying glass to view a picture. 
The magnifying glass makes the picture look twice 
as big as the actual picture. What is the scale factor 
of the dilation created by the magnifying glass?

anonymous · Answer

the magnifying glass scale factor is sqrt2 or 1.4142.