Matematika

Pertanyaan

Dik AB = diameter
Dit: sudut ACB
Sudut ABC
Sudut BAC ...?

Dik: sudut PBQ=35°
Dit:sudut PAQ
sudut POQ
Dik AB = diameter Dit: sudut ACB Sudut ABC Sudut BAC ...? Dik: sudut PBQ=35° Dit:sudut PAQ sudut POQ

1 Jawaban

  • 2. < ACB = siku2 = 90°
    <ABC+<BAC =90°
        2x+3x =90
             5x =90
               x=90/5
                =18
        ∠ABC = 2x =2(18) =36°
       < BAC =3x =3(18) =54°

    25.<PAQ =< PBQ  ----> sama2 < keliling
                   = 35°
        < POQ = < pusat
                   =2 x < keliling
                   =2 x 35
                  =70°