CLASS 10 CH 9 SOME APPLICATIONS OF TRIGONOMETRY EXAMPLE 4 (In Tamil)

From a point P on the ground the angle of elevation of the top of a 10 m tall building is 30°. A flag is hoisted at the top of the building and the angle of elevation of the top of the flagstaff from P is 45°. Find the length of the flagstaff and the distance of the building from the point P. (You may take √3 = 1.732)