Description

平行四邊形、三角形、梯形和多邊形的面積,你懂得計算嗎?
嘗試用這個 App 來考驗自己,看看自己是否真正掌握計算平行四邊形、三角形、梯形和多邊形面積的公式吧!

Do you know how to calculate the areas of parallelograms, triangles, trapeziums and other polygons? This app will help you find out if you have mastered it!