The value of x is _____

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asked Jul 5, 2019 232k views

1 Answer

Mike Feng · Answer 1 · 2019-07-10T16:24:58+0000

Angle TRS is equal to 180 - 9x (straight angles).

The sum of all the interior angles of a triangle is 180. Thus,

180 - 9x + 5x + 9 + x = 180, resulting in -9x + 5x + 9 + x = 0.
Then -4x + x = -9, or -3x = -9, or x = 3 (answer)

The value of x is _____

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