Question

A flagpole stands on top of a building. From a point 50 meters away from the base of the building, the angle of elevation to the top of the building is 30°, and to the top of the flagpole is 45°. Find the height of the flagpole.

Q: Answer-A flagpole stands on top of a building. From a point 50 meters away from the base of the building, t...

Let the height of the building be h meters, and the height of the flagpole be f meters. From the angle of elevation to the top of the building 30 tan 30 h 50 13 h 50 h 50 3. From the angle of elevation to the top of the flagpole 45 tan 45 h f 50 1 h f 50 h f 50. Substitute h 50 3 50 3 f 50. f 50 - 50 3. f 501 - 13. f 503 - 1 3. Answer d