1 Answer

Asikorski · Answer 1 · 2023-06-02T05:57:26+0000

Answer:

x=150

Explanation:

Since f is flat, that means that the total degrees will equal 180°.

Therefore, because of the 60° and (x-30)° angles being supplementary angles,
60+x-30 will equal 180.

$60+x-30=180\\30+x=180\\x=150$

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