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Find m angle BCD. Geometry math questions
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Find m angle BCD. Geometry math questions

Find m angle BCD. Geometry math questions-example-1
User Nakor
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Sum of two interiors=exterior


\\ \tt\longrightarrow 69+3x+12=6x+27


\\ \tt\longrightarrow 3x+81=6x+27


\\ \tt\longrightarrow 3x=54


\\ \tt\longrightarrow x=18

  • m<BCD=6(18)+27=108+27=135
User Lukash
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