Asailboat leaves port and sails 12 kilometers west and then 9 kilometers north. the sailboat is now kilometers from port

Use the Pythagorean Theorem: (leg)^2 + (leg)^2 = (hypotenuse)^2, often written where a and b are the lengths of the legs of a right triangle, and c is the length of the hypotenuse.

In this problem, a = 9 and b = 12.

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If your asking how much altogether for 12 performance the answer will be 98,496.