Shape and Space 5
1 mark · EasyWhat is the scale factor of an enlargement if a triangle with side length 3 is enlarged to make a triangle with side length 6?
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2
Also accept: 2.0
Common mistakes: 3 (confusing with image size)
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Marking points
B1 · 1 mark · B1: Correct scale factor of 2
Worked solution
Scale factor = image length ÷ object length = 6 ÷ 3 = 2.