WellesT11729
WellesT11729
03-11-2022
Mathematics
contestada
In ∆QRS, q =370 cm, r =910 cm and
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NicoB754905
NicoB754905
03-11-2022
using cosine rule
[tex]\begin{gathered} s^2=r^2+q^2-2rq\cos S \\ s^2=910^2+370^2-2\times910\times370\cos 31 \\ s^2=828100+136900-336700\times0.8571673007 \\ s^2=965000-288608.230146 \\ s^2=676391.769854 \\ s=\sqrt[]{676391.769854} \\ s=822.430404262 \\ s=822\operatorname{cm} \end{gathered}[/tex]
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[tex]x^{2} +y^{2}\leq 1\\y-x^{2}\ \textgreater \ 0[/tex]
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