Question

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Answer 1

Two figures are said to be similar if they are the same shape. In more mathematical language, two figures are similar if their corresponding angles are congruent , and the ratios of the lengths of their corresponding sides are equal

Step-by-step explanation:

Answer 2

For example \rule{2in}{.5pt} will give you the sort of thing you want.

The optional argument can be used to raise (positive value) or lower (negative value) the rule. Sometimes lowering it slightly looks better.