Google Classroom
GeoGebraGeoGebra Classroom

PMC 2013-14 Q5

題目五
紅色與綠色圖形的面積分別是 72 cm2 和 60 cm2,求藍色圖形的面積。 In this figure, area of the red shape = 72 cm2 and area of the green shape = 60 cm2. Find the area of the blue shape.