Question

An trangle has 3 angles 120 degree, x degree, 2x degree
what is x

Answer 1

Answer:

20 degree

Step-by-step explanation:

According to Angle Sum Property,

120 degree + x degree + 2x degree = 180 degree

120 degree + 3x degree = 180 degree

3x degree = 180 degree - 120 degree

3x degree = 60 degree

x = 60/3

x= 20 degree

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