Vertical angles are angles opposite each other where two lines cross
Now,
b + 40° = 90° ( right angle )
or, b = 90° - 40°
◆ b = 50°
B) 50°
This is Right answer...
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Answer:
The first answer, 3 times the square root of x squared is correct.
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Answer:
7
Step-by-step explanation:
This is a 7th degree polynomial. There should be 7 roots. Note how degree of poly = number of roots.