The ladders shown below are standing against the wall at the same angle. How high up the wall does the longer ladder go?
24 ft
10 ft.
1 answer
Both ladders are at the same angle, so the height up the wall is proportional to the length of the ladder. Therefore, if the 10 ft ladder goes up 10 ft, the 24 ft ladder would go up (24/10) * 10 ft = 24 ft.