What must be the length of ZY in order for ZY to be tangent to circle X at point Y? 14 units 15 units 16 units 17 units
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You can answer this problem using the midpoint formula, but we can work out the 4th vertex by just logically thinking it through by first drawing out the rhombus on an x-y coordinate plane. I wrote the answer out on paper since it is easier than typing. Let me know if you have any questions.
