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C. 1326. The perimeter of a right-angled trapezoidal plot is 400 m. One leg of the right angled trapezium makes an angle of $\displaystyle 45^\circ$ with the base. For what length of the base would the area of the plot be a maximum?

(5 points)

Deadline expired on 11 January 2016.

Statistics on problem C. 1326.
 159 students sent a solution. 5 points: 88 students. 4 points: 15 students. 3 points: 11 students. 2 points: 8 students. 1 point: 11 students. 0 point: 26 students.

• Problems in Mathematics of KöMaL, December 2015

•  Támogatóink: Morgan Stanley