In the triangle ABC, a equals 45 degrees, C equals 30 degrees, C equals 10, then a equals?

In the triangle ABC, a equals 45 degrees, C equals 30 degrees, C equals 10, then a equals?

A = 10 times root 2
The vertical line BD from point B to AC
In right triangle DBA, C = 10, a = 45 degrees, so BD = 5 times root 2;
In the right triangle DBC, C = 30 degrees, BD = 5 times root 2, so a = 10 times root 2

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