A side of the triangle below has been extended to form an exterior angle of 128° . Find the value of x.

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asked Feb 13, 2022 87.8k views

21 votes

A side of the triangle below has been extended to form an exterior angle of 128° . Find the value of x.

A side of the triangle below has been extended to form an exterior angle of 128° . Find-example-1

Mathematics
college

Liusrichard asked

by Liusrichard

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6 votes

Answer:

x=52 degrees

Explanation:

x=180-128=52 degrees because x is supplementary to 128 degrees.

Alok C answered Feb 14, 2022

by Alok C

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9 votes

Answer:

Explanation:

The sum of adjacent angles traversed by a line must equal 180 degrees.

128+x=180

x=52

Wayne See answered Feb 18, 2022

by Wayne See

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