A side of the triangle below has been extended to form an exterior angle of 162°. Find the value of x.

AlvaroCachoperro asked Jun 23, 2023

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AlvaroCachoperro asked Jun 23, 2023

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29 votes

The angle x and the angle of 162 form a supplementary angle that means if we sum these angles the value must be 180°

angle x +162=180

then we clear angle x

angle x=180-162

angle x=18°

x=18°

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