Apole casts a shadow 20 feet long . anothe pole 3 feet high cast a shadow 5 feet long. if the heights and shadows are in proportion, how high is the first pole?

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.