The scale factor of the given dilation is 1/3
What is scale factor ?
To change the size of a figure without changing the figure's shape, we use a exact number or factor which is called scale factor.
Dilated figure = Original figure × Scale factor
What is the required scale factor ?
In the diagram,
Co-ordinate of the point V in original triangle is (3, - 6)
Co-ordinate of the point V' in dilated triangle is (1, -2)
We know that, if we multiply scale factor to the original co-ordinate then we get dilated co-ordinate.
Here, if we multiply 1/3 to the original co-ordinate V(3, - 6) then we get the dilated co-ordinate V' (3/3, -6/3) , i.e. V'(1, -2)
So, the scale factor is 1/3.
Learn more about scale factor here :
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