Răspunsuri

Cel mai inteligent răspuns!
2014-08-07T17:17:04+03:00
ΔABC, mas<A=90
AD _|_ BC

AC²=DC*BC

(2CD)²= CD *24

4CD² =CD *24 |:4

CD²= CD *6

CD²:CD=6

CD=6

AC²=6*24  =>AC=√6*24=  √144=12   =>AC=12
15 4 15