Challenge Construction

저자:Elizabeth McCollum

It seems that when D is inside the circle, the locus of C and E is an ellipse. It seems that when D is outside the circle, the locus of C and E is a hyperbola. It also seems that A and D are the foci of the ellipse.

새 자료

Vectors: Addition and Subtraction - The Parallelogram Law
Subtracting Hours and Minutes - Practice
Conditions for Parallel Lines
Hyperbola Equation
Weighing Scales: Lessons and Practices

자료 찾기

Junior Math Tutorial - Spring
Perendicular Bisector in a Triangle
Project
Obtuse centroid
Hình 2.68b trang 74

주제 찾기

수학
피타고라스 정리
방정식
대칭
원기둥