Unit 3: Shapes - Khan Academy
WEBClassify shapes by line and angle types. 4 questions. Practice. Properties of shapes. 4 questions. Practice. Classifying shapes. 4 questions. Practice. Quiz 1. Identify your areas for growth in these lessons: Properties of shapes. Equal parts of shapes. Classifying geometric shapes. Start quiz. Curves and polygons. Learn.
Identifying transformations (video) | Khan Academy
WEBLet's look at four types of transformations: rotations (spinning a shape around a point), translations (shifting a shape), reflections (flipping a shape over a line), and dilations (shrinking or expanding a shape). We practice identifying these transformations in …
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WEBReview of polygons and their properties for fifth-grade math.
Angle types (practice) | Measuring angles | Khan Academy
WEBCourse: Basic geometry and measurement > Unit 3. Lesson 3: Angle types. Identifying an angle. Acute, right, & obtuse angles. Angle types. Angle types review. Recognizing angles. Recognize angles in figures. Drawing acute, right and obtuse angles.
Albert Eckhout, Series of eight figures (artykuł) | Khan Academy
WEBEckhout may have intended to show the relative levels of “civilization” of the various types of peoples depicted in these paintings, but scholars disagree on the order of such a hierarchy. It is clear that Eckhout viewed the represented …
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几何中的术语及标注 (视频) | Types of plane figures | 可汗学院
WEB课程 1: Types of plane figures. 几何中的术语及标注. 直线,线段和射线. 识别点、线、线段、 射线和角度. 复习直线，线段和射线. 数学 >. 四年级（美国） >. 平面几何中的线的类别 >. Types of plane figures.
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Chapitre 3 : Les figures géométriques - Khan Academy
WEBGéométrie 17 chapitres · 179 compétences. Chapitre 1 Les droites. Chapitre 2 Les angles. Chapitre 3 Les figures géométriques. Chapitre 4 Triangles. Chapitre 5 Quadrilatères. Chapitre 6 Le plan repéré. Chapitre 7 Aire et périmètre. Chapitre 8 …