Matematika

Pertanyaan

kakk tolong di jawab
kakk tolong di jawab

1 Jawaban

  • 1. BOC = 90 - 42 = 48'
    2. x+2x+3x = 180
        6x = 180
         x   = 30
    Besar ABE = x+2x 
                      = 3x
                      = 3(30) = Besar ABE 90'