<em>Answer:</em>

<em>Step-by-step explanation:</em>

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<em>by a romanian guy...</em>
Angle x° and angle
154° are supplementary angles, meaning that they equal 180° when added.
Answer:
3,498.921
Step-by-step explanation:
Answer:
f ) x+72=90(complementary angle)
x= 90-72
x=18
g )x+77=90
x=90-77
x=13
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