03-03-2019
Mathematics

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Tell whether the angles are complementary or supplementary. Then find the value of x.
8 and 9 only.

Tell whether the angles are complementary or supplementary Then find the value of x 8 and 9 only class=

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Kamikazeminem Kamikazeminem

03-03-2019

[tex]Answer: \\ 8. \: Complementary:5x + 65 = 90 \\\Leftrightarrow 5x = 25\Leftrightarrow x = 5\\ 9. \:Supplementary: 2x + 6x + 20 = 180 \\ \Leftrightarrow 8x = 160\Leftrightarrow x = 20[/tex]

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