PERBANDINGAN KESEBANGUNAN DALAM SEGITIGA

18 cm

19 cm

20 cm

21 cm

12 cm

15 cm

17 cm

20 cm

10 cm

3 cm

7,5 cm

12,5 cm

8

9

10

12

$EF=\frac{AB\times DE-DC\times AE}{AD}$

$EF=\frac{AE\times AB-DE\times DC}{AD}$

$EF=\frac{DC\times DE+AB\times AE}{AD}$

$EF=\frac{DE\times AB+AE\times CD}{AD}$

$EF=\frac{AB\times DE-DC\times AE}{AD}$

$EF=\frac{AE\times AB-DE\times DC}{AD}$

$EF=\frac{DC\times DE+AB\times AE}{AD}$

$EF=\frac{DE\times AB+AE\times CD}{AD}$

$\frac{AB}{DE}=\frac{BC}{CD}$

$\frac{BC}{EC}=\frac{AC}{DC}$

$\frac{AC}{EC}=\frac{BC}{DC}$

$\frac{DE}{EC}=\frac{BA}{AC}$

$DF^2=FG\times GE$

$DE^2=GF\times GE$

$DG^2=GE\times GF$

$EF^2=ED\times FD$