contestada

a triangle one angle measuring 3x degrees a second angle measures 2x+20 degrees and the third measures 4x-20 degrees. what is the value of x

Respuesta :

pegasirainbowdash

Answer:

x=20

Step-by-step explanation:

Because all angles of a triangle add up to 180, by adding all the values that your given and setting it equal to 180, you get the value of x.

3x+2x+20+4x-20=180

9x=180

x=20