Question

plz tell right answer .I will give u brainlist.......plz tell​

Answer 1

Answer:

since D is mid point of line CA the angle BDA=90

NOW

tan45= BD/4root2

4root2 =BD

therefore CA=2BD

=8root2

now applying Pythagoras theorem in triangle ABC

we get

BC²+32=168

BC²=136

BC=ROOT36

HOPE IT WILL HELP......