3. Verify by drawing a diagram if the median and altitude of an isosceles triangle can be same.
2. Draw rough sketches for the following:
(a) In , BE is a median.
(b) In , PQ and PR are altitudes of the triangle.
(c) In , YL is an altitude in the exterior of the triangle.
1. In , D is the mid-point of .
PD is _________________.