Task: Question Answering
Input (English): Problem: a triangle and a parallelogram are constructed on the same base such that their areas are equal. if the altitude of the parallelogram is 100 m, then the altitude of the triangle is.
Options: ['a. 10 √ 2 m', 'b. 100 m', 'c. 100 √ 2 m', 'd. 200 m', 'e. none']
Output (English): d