Proof: Sum of angles in a triangle is 180 degrees

主题:角

Line ED is parallel to line AB. Triangle ABC is outlined in blue. Observe how the shape and angles of this triangle ABC change as we move the points A, B and C.

新资源

רישום חופשי
bewijs stelling van Pythagoras
Graph of y = a(x − h)² + k
အခြေခံ data အခေါ်အဝေါ်များ
Sketching Vector Function (1)

发现资源

MII 64-5
Area of Old York Road CC
PR1-04-P1-Q1 Sequence Sort
Copie de Triangle particulier
cube

发现主题

向量
几何
统计特征
方程
线性方程