【简答题】The figure above shows the shape of a brick patio. If arc AB is a semicircle and ABCD is a square, what is the perimeter of the patio ? (1) The radius of the semicircle described by arc AB is 4. (2) T...
【简答题】The figure above shows the shape of a flowerbed. If arcs WZ and XY are semicircles and WXYZ is a square, what is the area of the flowerbed? (1) The perimeter of square WXYZ is 24. (2) The diagonal