Altitude is a perpendicular drawn to the opposite side.

Recall the definition of a altitude., ASPT

Recall the definition of a altitude.

Median is the line which joins the midpoint of the side to the opposite vertex.

Visualize the triangle and think what other conditions its (the altitude) satisfies.

circles are round in shape/

Scalene right angled triangle has all sides of different size and one angle is 90 degree.

Angle should be 90 degree.

Check the length of all the sides.

Obtuse triangle has one angle as an obtuse angle.