From the top of a platform 5 m high, the angle of elevation of a tower was 30 deg. If the tower was 45 m high, how far away from the tower was the platform positioned?
A leopard is chasing a prey. The leopard runs 2 km South, then turns West and runs 2.5 km, then turns North and runs 1.5 km, then it turns to its right and runs 2.5 km. Where is it now with respect to the starting position?