Question

in the given figure, d, e, f are the midpoint of the other side BC CA and ab respectively find
1) If AB = 6.2 cm ,find DE
2) If DF = 3.8 cm , find AC
3) if perimeter of triangleABC is 21cm find , EF​

Answer 1

Answer:

AC=7.6,DE=3.1,EF=3.6

Answer 2

Step-by-step explanation:

the answer, that is the perimeter of Def is 11.5 cm