rectangle
(geometry) a flat shape with four right angles, especially one with opposing sides that are equal and parallel to each other
矩形
[名词]
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登录parallelogram
(geometry) any flat shape with four straight sides, the opposite sides of which are equal and parallel to each other
平行四边形
[名词]
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登录right triangle
a flat geometric shape consisting of three straight sides and one right angle
直角三角形
[名词]
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登录isosceles triangle
a type of triangle that has two sides of equal length and two angles of equal measure
等腰三角形
[名词]
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登录acute-angled triangle
a type of triangle in which all three angles are less than 90 degrees
锐角三角形
[名词]
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登录lozenge
(geometry) a figure with four sides and two opposite angles more than 90° and two of less than 90°
菱形
[名词]
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