3 years ago

Mattea was asked to find the measure of an interior angle of a regular octagon.

1 answer:

5 0

Answer:

I guessed B, Tell me if I'm wrong by my Discord, 0_Wyvern#6048 .

Have a wonderful Day/Night!

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pogonyaev

Answer:

C) $122+154i$

Step-by-step explanation:

$(14-2i)(7+12i)\\\\(14)(7)+(14)(12i)+(-2i)(7)+(-2i)(12i)\\\\98+168i-14i-24i^2\\\\98+154i-24(-1)\\\\98+154i+24\\\\122+154i$

Therefore, C is correct. Recall that $i^2=-1$

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