kakak tolong bantu jawab yah pake caraa

Sudut ACD = 180° - 60°
= 120°

Semoga membantu ^^

46). Segitiga ABC = segitiga sama sisi
<B = <C
<A + <B + <C = 180
70 + x + x = 180
2x = 180-70
x = 55 (B)

47). <ACB dan <ACD sudut seling berpelurus
<ACB + <ACD = 180
60 + x = 180
x = 180 - 60
x = 120 (C)