Matematika bantu kakk pake cara gosah ngasal yee​

theresabruenulv – March 12, 2023

bantu kakk pake cara gosah ngasal yee​

[tex]7x + 8 + 5x + 4 = 180 \\ 12x + 12 = 180 \\ 12x = 180 - 12 \\ 12x = 168 \\ x = \frac{168}{12} \\ x = 14[/tex]

besar sudut a

7 × 14 + 8 = 98 + 8 = 106°

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