Dear Parents,
We have finished up basic geometry part of the class.
Per some parent’s request, I have listed here few basic concepts in both English and Chinese:
* Vertically opposite angles are equal — 对顶角相等 (两条直线相交，构成两对对顶角)
* The three angles of a triangle add up to 180 degree — 三角形的三个内角和为180度
* The exterior angle of a triangle is equal to the sum of the interior opposite angles — 三角形的一个外角等于不相邻的两个内角之和
* Isosceles triangle has two equal sides and two equal angles –- 等腰三角形有两条等长的边，对应的两角相等
* Equilateral triangle has three equal sides and three equal angles — 等边三角形的三条边等长，三个角相等，均为60度
* The opposite angles of a Parallelogram are equal — 平行四边形的对角相等
* Each pair of angles between two parallel sides add up to 180 degree — 两直线平行，同旁内角的和为180度
Hope it helps.
LaoGuan