Google Classroom谷歌课堂
GeoGebraGeoGebra 教室
GeoGebra

Simplicity

作者:mossback90
Tips: You can use Pythagoras' theorem to work out the height of an equilateral triangle. And then the area is just half the base times the height.(Or you can use: area of triangle=1/2 ab sinC)

新资源

发现资源

发现主题