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22-09-2017
Mathematics

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∠C and ∠D are vertical angles with m∠C = -x + 26 and m∠D = 2x - 10. What is m∠D?

Respuesta :

22-09-2017

-x+26=2x-10
+x +x

26=3x-10
+10 +10

36=3x
36/3= 3x/3

12=x

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