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I need help with #3. Please help. I have to show all work so please explain

I Need Help With 3 Please Help I Have To Show All Work So Please Explain class=

Sagot :

SDCInfinity

Answer:

a = 2

Step-by-step explanation:

Use Pythagorean Theorem:

[tex]a^2+b^2=c^2\\a^2+2.1^2=2.9^2\\a^2+4.41=8.41\\a^2=4\\\sqrt{a^2}=\sqrt{4}\\a=2[/tex]

Therefore, a is 2 meters.

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