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Sagot :
Answer:
x = 44° and 74°: x cannot be less than 44°, x cannot be greater than 74°.
Step-by-step explanation:
Obtuse angles are greater than 90° but less than 180°.
We can first solve for the lower bound of x.
- [tex]3x-42=90[/tex]
- [tex]3x=132\\[/tex]
- [tex]x=44[/tex]°
Thus the lower bound restriction of x is 44°
We can now solve for the upper bound of x.
- [tex]3x-42=180[/tex]
- [tex]3x=222[/tex]
- [tex]x=74[/tex]°
Thus the upper bound restriction of x is 74°
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