Asked by plz help

Triangle LMN is similar to triangle XYZ.
The scale factor of triangle LMN to triangle XYZ is 2:5.
What is the length of ZX ?
A 2 units
B 5 units
C 7.5 units
D 12.5 units
Answered by PsyDAG
Assuming they are both equilateral triangles and LMN sides are 2, the answer would be B.
Answered by henry2,
ZX = 5/2 * NL.
A similar problem says that triangle LMN has sides of 5 and 3.
So ZX = 5/2 * 5 = 12.5 units.
Or ZX = 5/2 * 3 = 7.5 units.
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