What is the equation of the line shown in this graph? A function graph of a line with two points (-4,1) and (2,1) with an x axis of negative five to five and a y axis of negative five to five

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If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?