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Find the value of x. Then find the angle measures of the triangle.
3x°
40°
Sum of angle
measures: 180°

Find the value of x Then find the angle measures of the triangle 3x 40 Sum of angle measures 180 class=

Respuesta :

dennis2fyee
3x + 40 + x = 180
-40. -40
——————————-
4x. 140
—. ——-
4. 4

x = 35
akmarazmi183

Answer:

x=35°

3x= 105°

Step-by-step explanation:

[tex]40 + 3x + x = 180[/tex]

[tex]40 + 4x = 180[/tex]

[tex]4x = 180 - 40[/tex]

[tex]4x = 140[/tex]

[tex]x = \frac{140}{4} [/tex]

[tex]x = 35[/tex]

[tex]3x = 3(35) \\ 105[/tex]

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