The length of the longest side of this triangle is given as 4 units.
The scale factor that we have in this question is 1/10
The longest side of the triangle can be gotten from the
scale factor x side
= 1/10 x 40
= 4 units
Hence the longest side of the triangle is 4 units.
Read more on the triangle here:
https://brainly.com/question/1465072
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