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Outline
S2 Angles Related to Rectilinear Figures
Interior & Exterior Angles of Triangles 三角形內角和及外角
尋找等腰三角形 Isosceles Triangle Hunt
Quiz on Interior & Exterior Angles of Triangles 三角形內角和及外角：測驗
Sum of Interior Angles of Polygons 多邊形內角和
Sum of Exterior Angles of Polygons 多邊形外角和
Tessellation
Tessellation
Tessellations
Escherized Tessellation
Mosaic: Escher's Lizard
Escherized Pentagon Tessellation
S2 Angles Related to Rectilinear Figures
Author:
tkyggb
S2 Angles Related to Rectilinear Figures
Interior & Exterior Angles of Triangles 三角形內角和及外角
尋找等腰三角形 Isosceles Triangle Hunt
Quiz on Interior & Exterior Angles of Triangles 三角形內角和及外角：測驗
Sum of Interior Angles of Polygons 多邊形內角和
Sum of Exterior Angles of Polygons 多邊形外角和
Tessellation
Tessellation
Tessellations
Escherized Tessellation
Mosaic: Escher's Lizard
Escherized Pentagon Tessellation
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Interior & Exterior Angles of Triangles 三角形內角和及外角
New Resources
兩位數加法
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
畫出對稱圖形
Discover Resources
橢圓規
五上_分數乘法(教師版)
單項奇函數
(004)80102史巧薇
concyclic by Mr LO WY
Discover Topics
Median Line
Limits
Geometric Distribution
Pie Chart or Circle Chart
Root
