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grandymaker [24]
3 years ago
14

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

e value of x
Mathematics
1 answer:
pishuonlain [190]3 years ago
3 0

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

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