3 years ago

Which best explains why this triangle is or is not a right triangle?

Mathematics

2 answers:

Alex787 [66]3 years ago

7 0

Answer:

D.) This triangle is a right triangle: 60 squared + 144 squared = 156 squared.

Step-by-step explanation:

ohaa [14]3 years ago

7 0

Answer:

Step-by-step explanation:

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Nana76 [90]

Hey there,

First, find the square root of the given equation.

$\sqrt{z}=\sqrt{81(\text{cos}(\frac{4\pi}{9})+i\text{sin}(\frac{4\pi}{9})}\\=9\text{cos}\frac{1}{2}(2k\pi+(\frac{4\pi}{9}))+i\text{sin}\frac{1}{2} (2k\pi+(\frac{4\pi}{9}))$

Keep in mind that this is solved for k = 0 and 1.

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