The height of the cliff is I. The angle of elevation of the cliff from a fixed point F is 45∘ II. After going up towards a distance of 1000 m at an inclination of 30∘, the angle of elevation is 60∘

The height of the cliff is I. The angle of elevation of the cliff fro

1.	The height of the cliff is I. The angle of elevation of the cliff from a fixed point F is 45∘ II. After going up towards a distance of 1000 m at an inclination of 30∘, the angle of elevation is 60∘
Answer» The height of the cliff is I. The angle of elevation of the cliff from a fixed point F is $45^{\circ}$ II. After going up towards a distance of 1000 m at an inclination of $30^{\circ}$ , the angle of elevation is $60^{\circ}$