Four

作成者:yen23022006

トピック:幾何

If AB is parallel to DC, angle ABC is equal to angle CDA, and angle BCD is equal to angle DAB, and segment AX is equal to segment XC, then ABCD is a parallelogram. True

新しい教材

Classifying Triangles
רישום חופשי
Area of a Trapezoid
Mondrian's Puzzle
Slope Between 2 Points (Phase 2)

教材を発見

Circles 2016
constructing an equilateral triangle
project Emma
CORRESPONDING ANGLES

トピックを見つける

直線・線分
二次関数
べき関数
算術演算
三角関数