2027037 2027037

26-11-2018
Mathematics

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what is the length of y in this 45-45-90 triangle

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kevii123 kevii123

26-11-2018

Answer:

The length of the side y is 8.

Step-by-step explanation:

Use cosine to find the distance of y:

[tex]\frac{y}{8\sqrt{2} }[/tex] = cos 45

[tex]\frac{y}{8\sqrt{2} }[/tex] = 0.70711

y = 0.70711 * 8[tex]\sqrt{2}[/tex]

y = 8

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