Pythagoras' Theorem for finding the dimension of the sides for a Right-angled triangle.
https://play.google.com/store/apps/details?id=com.minimal.android.pitagora
毕达哥拉斯定理用于求出直角三角形的边的维数。
https://play.google.com/store/apps/details?id=com.minimal.android.pitagora