msilverio2006 msilverio2006

25-02-2021
Mathematics

contestada

I really need help find x in this triangle

I really need help find x in this triangle class=

Respuesta :

jimrgrant1 jimrgrant1

25-02-2021

Answer:

x = 5

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

72 + 6x + 2 + 17x - 9 = 180

23x + 65 = 180 ( subtract 65 from both sides )

23x = 115 ( divide both sides by 23 )

x = 5

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