# geometry

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Right triangle ABC is similar to triangle XYZ, because angle B is congruent to angle Y. If side AB equals 12 inches, side BC equals 27 inches, and side YZ equals 9 inches, then what is the length of side XY?

• geometry -

AB/BC =12/27 = 4/9 = xy/yz = xy/9
so
xy = 4

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