aletadaboss aletadaboss

24-03-2019
Mathematics

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Use a proportion or the Pythagorean Theorem to find y. If needed, estimate your answer to two decimal places.

Use a proportion or the Pythagorean Theorem to find y If needed estimate your answer to two decimal places class=

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sqdancefan sqdancefan

24-03-2019

Answer:

y ≈ 17.32

Step-by-step explanation:

The triangles are all similar, so you have ...

long-side/hypotenuse = y/(5+15) = 15/y

Cross-multiplying gives ...

y^2 = 15·20 = 300 . . . . . . . . take the square root to find y

y = √300 = 10√3 ≈ 17.32

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