Matematika jika besar sudut ABD = ( 9x + 16 )° dan sudut CBD = ( 5x - 4 )°,nilai x adalah​

briellejohnstonulv – April 02, 2023

jika besar sudut ABD = ( 9x + 16 )° dan sudut CBD = ( 5x - 4 )°,nilai x adalah​

<ABD+<CBD=180°

[tex] 9x + 16 + 5x - 4 = 180° \\ 14x + 12 = 180° \\ 14x = 180° - 12 \\ 14x = 168° \\ x = \frac{168°}{14} \\ x = 12°[/tex]

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