Matematika

Pertanyaan

pada gambar diatas, panjang EF adalah... cm
isi caranya ya..
pada gambar diatas, panjang EF adalah...  cm isi caranya ya..

2 Jawaban

  • EF = [(AE × DC) + (AB × DE)]/(AE + ED)
    EF = [(7 × 4) + (16 × 5)]/(7 + 5)
    EF = (28 + 80)/12
    EF = 108/12
    EF = 9 cm
  • EF = [(AE × DC) + (AB × DE)]/(AE + ED)
    EF = [(7 × 4) + (16 × 5)]/(7 + 5)
    EF = (28 + 80)/12
    EF = 108/12
    EF = 9 cm