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Introduction to Similarity

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Question

Enter the number of points that are to be marked on a ray drawn at an acute angle to one of its sides, to construct a triangle similar to a given triangle with a scale factor $\frac{3}{5}$ .
5

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Solution

The correct option is A 5

The number of points that should be marked on the ray will be the maximum of numerator and denominator in the scale factor.

So, to construct a triangle similar to a given triangle with a scale factor $\frac{3}{5}$ , 5 points are to be marked on a ray drawn at an acute angle to one of the sides.

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