evanth evanth
  • 13-10-2020
  • Mathematics
contestada

if m∠TUV=(9x+11)°, m∠TUW=(7x-9)°, and m∠WUV=(5x-11)°, find the value of x.

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Jason2018Tang Jason2018Tang
  • 13-10-2020

Answer: X = 9

Step-by-step explanation:

We know that a triangle has 3 angles that add up to 180 degrees.

9x+ 11 + 7x - 9 + 5x - 11 = 180

21x - 9 = 180

21x = 189

x = 9

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