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问题在半径为10的一个圆内,有一个内接梯形,梯形的高等于2,上、下底长的差等于4,计算这个梯形的面积. 下面是甲、乙两同学的解.
The problem is that in a circle with a radius of 10, there is an inscribed trapezoid, where the trapezoid is higher than 2, and the difference between the upper and lower base lengths is equal to 4. Calculate the area of this trapezoid. The following is the solution of Class A and B.