Answer:
37°
Step-by-step explanation:
By definition all internal angles of a triangle add up to 180°
Hence,
98° + 45° + x = 180°
x = 180° - 98° - 45° = 37°
10x^2-4x is your answer! :)
<h3>Hey there! </h3><h3>

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%</h3><h3>Good luck on your assignment and enjoy your day! </h3><h3>~

</h3>
50%
There's always a fifty percent chance that it will land on heads or tails