Matematika

Pertanyaan

Please..
Dikumpulin hari senin...
Please.. Dikumpulin hari senin...

0 Comment.

2 Jawaban

  • B E nya 1 CM , CD nya 3cm

  • AB/DE=AC/DC
    => 3/2=(1+DC)/DC *(dikali silang)
    =>3(DC)=(1+DC)2
    =>3DC=2+2DC *(pindah ruas)
    =>DC=2

    AB/DE=BC/EC
    =>3/2=(BE+EC)/EC
    =>3/2=(BE+3)/3 *(dikali silang )
    =>3×3=2(BE+3)
    =>9=2BE+6
    =>9-6=2BE
    =>3=2BE
    =>3/2=BE

Pertanyaan Lainnya