9th Class
Mathematics
Sample Paper
Mathematics Sample Paper-3
question_answer
From a point P on the ground the angle of elevation of a 30 m tall building is \[45{}^\circ \]. A flag is hoisted at the top of the building and the angle of elevation of the top of the flag staff from point P is \[60{}^\circ \]. The length of flag staff and the distance of the building from the point P are respectively: