Pic Title: Right angle trapezoidal area formula Related Phrase: Area formula Related pictures: Right angle trapezoidal area formula Source: http://i1.w.hjfile.cn/ Pic Description: 　　Mathematical knowledge to explain the first two days: two days trapezoid _ _ HJ secondary school mathematics dot com - A. Trapezoid B. Isosceles trapezoid C. Right Angle Translated by Google No. / 7 Picture               Slide Show

Comments (0)