The angles of elevation of the top of a tower from two points at distances a and b metres from the base and in the same straight line with it are complementary. Prove that the height of the tower is √ab metres.
- 2 жыл бұрын
The angles of elevation of the top of a tower from two points at distances a and b metres from the
- Рет қаралды 13,450
Пікірлер: 22