3 years ago

A side of the triangle below has been extended to form an exterior angle of 129 find the value of X

1 answer:

7 0

Basically the line is 180° in total.
If one side is 129°
then the other side is 180 - 129
which means x = 51°

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3 years ago

￼A side of the triangle below has been extended to form an exterior angle of 129 find the value of X