Matematika

Pertanyaan

Besar sudut BCA
A.118°
B. 110°
C.100°
D.98°
Besar sudut BCA A.118° B. 110° C.100° D.98°

1 Jawaban

  • 1 segitiga = 180°
    x + 5x -7 + 2x-13 =180
    x + 5x + 2x = 180 +7 + 13
    8× = 200
    × = 25°

    sudut BCA = 5x - 7
    = 5.25 - 7 = 118°
    jawabannya A semoga membantu maaf kalau salah