Matematika Q.........jawablah soal mtk ​

kaleyabernathyulv – June 08, 2023

Q.........

jawablah soal mtk ​

3x + 12 = 4x - 18

3x - 4x = -18 - 12

-x = -30

x = 30°

3x + 12

= 3(30) + 12

= 90 + 12

= 102°

<ABD = 180° - 102°

= 78° (C)

by: Annafa

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