Fun with ellipses

トピック:楕円

F1 and f2 can be dragged, or entered in the boxes. The distance sum is needed. Directrix info can be displayed. Points on circles rotate in opposite directions with the same orbital time. Their midpoint is traced.

新しい教材

רישום חופשי
Proving Triangles Similar by Dilation
Line Through Two Points and Slope
Angle Bisector: Quick Warm Up Questions
Thales' Intercept Theorem

教材を発見

Proof Without Words
essai_d2
Activity 1
face with geogebra

トピックを見つける

極限
ベクトル (２次元)
一般的な四角形
内接円
接線