KöMaL 2017 C1431
The lengths of the shorter base of a trapezium, then one leg, then the other leg and finally the longer base, in this order, form an arithmetic progression. Given that the length of the shortest side is 3 cm, and one of the angles lying on the longer base is 60 degrees, what is the common difference of the arithmetic progression?
Official text KöMaL. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.