3 years ago

The sum of the interior angles of an n-gon is ______.

Mathematics

1 answer:

NeX [460]3 years ago

6 0

Answer:

The sum of the interior angles of an n-gon is ______.

Option D) 180°(n-2)

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3 years ago

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lesantik [10]

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Step-by-step explanation:

$\sqrt[4]{ {x}^{2} + 2x } = \sqrt[4]{35} \\ {({x}^{2} + 2x) }^{ \frac{1}{4} } = {(35)}^{ \frac{1}{4} } \\ {x}^{ \frac{1}{2} } + {2x}^{ \frac{1}{4} } = {35}^{ \frac{1}{4} } \\ {x}^{2} + 2x = 35 \\ {x}^{2} + 2x - 35 = 0 \\ (x - 5)(x + 7) = 0 \\ x = 5 \: or \: - 7$

Therefore, the answer is A. as the solution is x = 5 or -7

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1 year ago