asti145 asti145
  • 01-02-2018
  • Mathematics
contestada

angles are 2x 3x-11 and 2x+9 of a triangle what is the smallest angle

Respuesta :

Kaikerscupcake
Kaikerscupcake Kaikerscupcake
  • 01-02-2018
All the angles in a triangle equal 180 degrees. 

So, 2x, 3x-11, and 2x+9= 180

2x+3x-11+2x+9=180 

Combine like terms. 

7x-2=180 

Add two to both sides. 

7x=182

Divide by 7 into both sides. 

x=26 

Now, plug in x.

2x
2(26)= 52

3x-11
3(26)-11
78-11= 67

2x+9
2(26)+9
52+9= 61

2x is the smallest angle. 52<61

I hope this helps!
~kaikers


Answer Link
mikewells53543 mikewells53543
  • 05-03-2022

Answer: 61*

Step-by-step explanation:

for the other people :)))

Answer Link

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