GED Math 05 – Geometry, Area, Perimeter & Volume

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Last updated 1:39 PM on 10/15/26
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30 Terms

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Geometry

/dʒiˈɑːmətri/ 几何学;Geometry is the study of shapes and sizes. 几何学是研究形状和大小的学科。

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Shape

/ʃeɪp/ 形状;图形;Identify the shape shown in the diagram. 识别图中显示的形状。

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Angle

/ˈæŋɡəl/ 角;角度;Find the measure of the angle. 求这个角的度数。

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Degree

/dɪˈɡriː/ 度;A right angle measures 90 degrees. 直角是90度。

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Right Angle

/raɪt ˈæŋɡəl/ 直角;A square has four right angles. 正方形有四个直角。

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Acute Angle

/əˈkjuːt ˈæŋɡəl/ 锐角;An acute angle is less than 90 degrees. 锐角小于90度。

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Obtuse Angle

/əbˈtuːs ˈæŋɡəl/ 钝角;An obtuse angle is greater than 90 degrees but less than 180 degrees. 钝角大于90度但小于180度。

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Triangle

/ˈtraɪæŋɡəl/ 三角形;Find the area of the triangle. 求三角形的面积。

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Rectangle

/ˈrekˌtæŋɡəl/ 长方形;The rectangle is 8 inches long and 5 inches wide. 长方形长8英寸,宽5英寸。

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Square

/skwer/ 正方形;平方;Each side of the square is 6 feet long. 正方形每条边长6英尺。

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Circle

/ˈsɜːrkəl/ 圆形;Find the area of the circle. 求圆的面积。

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Radius

/ˈreɪdiəs/ 半径;The radius of the circle is 4 centimeters. 圆的半径是4厘米。

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Diameter

/daɪˈæmɪtər/ 直径;The diameter is twice the radius. 直径是半径的两倍。

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Circumference

/sərˈkʌmfərəns/ 圆周长;Calculate the circumference of the circle. 计算圆的周长。

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Perimeter

/pəˈrɪmɪtər/ 周长;Find the perimeter of the rectangle. 求长方形的周长。

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Area

/ˈeriə/ 面积;Calculate the area of the shaded region. 计算阴影部分的面积。

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Volume

/ˈvɑːljuːm/ 体积;Find the volume of the rectangular prism. 求长方体的体积。

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Surface Area

/ˈsɜːrfɪs ˈeriə/ 表面积;Calculate the surface area of the cube. 计算立方体的表面积。

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Length

/leŋθ/ 长度;The length of the room is 12 feet. 房间的长度是12英尺。

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Width

/wɪdθ/ 宽度;Find the width of the rectangle. 求长方形的宽度。

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Height

/haɪt/ 高度;The height of the triangle is 7 inches. 三角形的高是7英寸。

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Base

/beɪs/ 底边;底面;The base of the triangle is 10 centimeters. 三角形的底边长10厘米。

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Side

/saɪd/ 边;Each side of the square is equal. 正方形的每条边都相等。

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Vertex

/ˈvɜːrteks/ 顶点;A triangle has three vertices. 三角形有三个顶点。

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Polygon

/ˈpɑːliɡɑːn/ 多边形;A polygon is a closed shape with straight sides. 多边形是由直线边组成的封闭图形。

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Trapezoid

/ˈtræpəzɔɪd/ 梯形;Find the area of the trapezoid. 求梯形的面积。

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Parallelogram

/ˌperəˈleləɡræm/ 平行四边形;The opposite sides of a parallelogram are parallel. 平行四边形的对边互相平行。

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Rectangular Prism

/rekˈtæŋɡjələr ˈprɪzəm/ 长方体;Find the volume of the rectangular prism. 求长方体的体积。

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Cylinder

/ˈsɪlɪndər/ 圆柱体;Calculate the volume of the cylinder. 计算圆柱体的体积。

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Pythagorean Theorem

/paɪˌθæɡəˈriːən ˈθiːərəm/ 勾股定理;Use the Pythagorean theorem to find the missing side. 使用勾股定理求未知边长。