In the triangle ABC,the perpendicular AD, from the point A on the side BC meets the side BC at the
Channel: Doubtnut
Date: 2020-05-09

In the triangle ABC,the perpendicular AD, from the point A on the side BC meets the side BC at the point D. If BD=8cm , DC =2 cm andAD = 4 cm, then find the measure of `/_ BAC `.