3 years ago

Please help me! Itll mean so much!

Mathematics

2 answers:

MissTica3 years ago

8 0

I think it’s 80 degrees

avanturin [10]3 years ago

6 0

Because all angles of a triangle add up to 180 and we already know two of the angle values you would subtract them from 180 to get your answer
180-45-55=80

your answer is 80 degrees

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If you help me I give you branliest

Vanyuwa [196]

Answer:

option 4

Step-by-step explanation:

$m \angle MNO = \frac{1}{2} \times m MN\\\\$

$= \frac{1}{2} \times 150 \\\\= 75^ \circ$

4 0

3 years ago

HELP!!THANKS FOR ACCURACY

anyanavicka [17]

$\bf tan^2(x)-1=0\implies tan^2(x)=1\implies tan(x)=\pm\sqrt{1} \\\\\\ tan^{-1}[tan(x)]=tan^{-1}(\pm 1)\implies x=tan^{-1}(\pm 1)\implies x= \begin{cases} \frac{\pi }{4}\\\\ \frac{3\pi }{4}\\\\ \frac{5\pi }{4}\\\\ \frac{7\pi }{4} \end{cases}$