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Words Related to Colors and Shapes - Two-Dimensional Shapes

Read this lesson to learn the names of some two-dimensional shapes in English, such as "kite", "square" and "oval".

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Words Related to Colors and Shapes
circle
[noun]
a completely round, plain shape
leitner
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triangle
[noun]
(geometry) a flat shape consisting of three straight sides and three angles
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rectangle
[noun]
(geometry) a flat shape with four right angles, especially one with opposing sides that are equal and parallel to each other
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kite
[noun]
a quadrilateral shape with two pairs of congruent sides that are connected at a right angle, with one pair longer than the other
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square
[noun]
a shape with four equal straight sides and four right angles (90°)
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trapezoid
[noun]
(geometry) a flat shape with four flat sides, two of which are parallel
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parallelogram
[noun]
(geometry) any flat shape with four straight sides, the opposite sides of which are equal and parallel to each other
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rhombus
[noun]
(geometry) a flat shape with four equal sides in which opposite angles are equal
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polygon
[noun]
(geometry) a flat shape consisting of three or more straight sides
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right triangle
[noun]
(geometry) a flat shape consisting of three straight sides and one right angle
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oblique triangle
[noun]
a triangle that contains no right angle
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scalene triangle
[noun]
a triangle with no two sides of equal length
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isosceles triangle
[noun]
a type of triangle that has two sides of equal length and two angles of equal measure
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equilateral triangle
[noun]
a three-sided regular polygon
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acute-angled triangle
[noun]
a triangle whose interior angles are all acute
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obtuse-angled triangle
[noun]
a triangle that contains an obtuse interior angle
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rhomboid
[noun]
(geometry) a parallelogram with four straight sides and no right angles
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semicircle
[noun]
any half of a circle
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torus
[noun]
a three-dimensional geometric shape resembling a donut or a ring, formed by rotating a circle around an axis that doesn't intersect the circle's plane
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lozenge
[noun]
(geometry) a figure with four sides and two opposite angles more than 90° and two of less than 90°
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oblong
[noun]
a rectangular figure that has unequal adjacent sides with arched angles
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oval
[noun]
a shape that is wide in the middle and narrow at both ends
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