A
B
ABCD dikdörtgen, [AC] ve [BD] köşegen, (EF] 1 [AC]
IDEI = (EF) = 6 cm
![A B ABCD Dikdörtgen AC Ve BD Köşegen EF 1 AC IDEI EF 6 Cm class=](https://tr-static.eodev.com/files/d3f/8543f2c13b89ff3b2365954a2231f373.png)