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3 years ago

I will give brainliest!

Mathematics

1 answer:

Colt1911 [192]3 years ago

3 0

9514 1404 393

Answer:

2√(225 -x²)

Step-by-step explanation:

Let 2y be the length of the second diagonal. The half-diagonals and the side of the rhombus form a right triangle. The Pythagorean theorem tells us the relationship between sides and hypotenuse is ...

x² +y² = 15²

y² = 225 -x²

2y = 2√(225 -x²2) . . . . the length of the second diagonal

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