The Pont du Gard near Nîmes, France, is a Roman aqueduct. An observer in a hot-air balloon some distance away from the aqueduct determines that the angle of depression to each end is 54° and 71°, respectively. The horizontal distance between the balloon and the aqueduct is 270.0 m. Calculate the length of the aqueduct to the nearest tenth of a metre.
Use sine law?
3 answers