Perpendicular Intersections 2

Directions

In the picture Angle ADC and Angle BDC are congruent. What other details do we know about Angle ADC and Angle BDC? What relationship does Line AB and Line DC have?

새 자료

bewijs stelling van Pythagoras
အခြေခံ data အခေါ်အဝေါ်များ
רישום חופשי
Sine in Cartesian and Polar Coordinates
Astroid

자료 찾기

Robinson-Bear
Ellipse and Annulus - When are the areas the same?
Trijstūra laukums - pētniecisks uzdevums

주제 찾기

원뿔곡선
피타고라스 정리
회전
이항분포
대수