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View attachment 1354
Given that triangle $ABC$ is congruent to triangle $CDE$, and that $\angle A=\angle B=80^{\circ}$. Suppose that $AC=1$ and $$DG=\frac{2\sin 10^{\circ}}{M+N\sin^2 10^{\circ}}$$.
Evaluate $M+N$.
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			Given that triangle $ABC$ is congruent to triangle $CDE$, and that $\angle A=\angle B=80^{\circ}$. Suppose that $AC=1$ and $$DG=\frac{2\sin 10^{\circ}}{M+N\sin^2 10^{\circ}}$$.
Evaluate $M+N$.
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