03-11-2021
Mathematics

contestada

What is x? (Triangle Theorems)

1. x = 54
2. x = 9
3. x = 24
4. x = 144

What is x Triangle Theorems 1 x 54 2 x 9 3 x 24 4 x 144 class=

Respuesta :

mathstudent55 mathstudent55

03-11-2021

Answer:

2. x = 9

Step-by-step explanation:

The sum of the measures of the angles of a triangle is 180°.

6x + 16 + 90 + 20 = 180

6x + 126 = 180

6x = 54

x = 9

Answer: 2. x = 9

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