enhatan
enhatan enhatan
  • 19-10-2021
  • Mathematics
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help me with this question

help me with this question class=

Respuesta :

towl35
towl35 towl35
  • 20-10-2021

Answer:

∆QRS is an obtuse triangle

Step-by-step explanation:

[tex]x + 2x + 8x - 40 = 180 \\ 11x = 220 \\ x = 20[/tex]

[tex] < q = 20 \\ < r = 8(20) - 40 = 120 \\ < s = 2(20) = 40[/tex]

<R = 120° > 90° which makes this an obtuse triangle

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