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Annette [7]
3 years ago
12

Use Pythagorean theorem

Mathematics
1 answer:
kogti [31]3 years ago
4 0

Answer:

15

Step-by-step explanation:

a^2+b^2=c^2

y^2+8^2=17^2

Step 1: Simplify both sides of the equation.

y^2+64=289

Step 2: Subtract 64 from both sides.

y^2+64−64=289−64

y^2=225

Step 3: Take square root.  

y=15  

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