Topic: Right Triangles

In 16-18, find the length of the side whose length is not indicated. Each of these is a right triangle. For each, first find the equation to use, then solve it to find a formula for the unknown value before you plug any numbers into your calculator. [Answers: ] 16. 17. 18. [Answer to 17: Relationship: , Formula: , Rounded answer: ] 19. ................
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