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29 Cards in this Set
- Front
- Back
- 3rd side (hint)
Obtuse Angle |
an angle greater than 90 degrees but less than 180 degrees |
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Diameter |
a straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end |
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Hexagon |
a polygon having six sides and six angles |
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Isosceles Triangle |
a triangle which has two sides equal |
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Closed Curve |
a curve that is continuous and has endpoints that meet at the same point |
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Ray |
the part of a straight line considered as originating at a point on the line and extending in one direction from that point |
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Trapezoid |
a quadrilateral plane figure having two parallel and two non parallel sides |
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Circle |
a closed plane curve consisting of all points at a given distance from a point within it called the center |
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Octagon |
a polygon having eight angles and eight sides |
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Quadrilateral |
a polygon with four sides |
(including squares, rectangles, and trapezoids) |
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Parallel Line Segments |
line segments that do not intersect |
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Rhombus |
an equilateral parallelogram having oblique angles |
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Rectangle |
a parallelogram having four right angles |
(a square is also this) |
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Parallelogram |
a quadrilateral having both pairs of opposite sides parallel to each other |
(squares and rectangles included) |
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Point |
a position in space |
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Line |
a continuous extent of length |
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Line Segment |
one part of a line |
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Radius |
a straight line extending from the center of a circle or sphere to the circumference or surface |
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Chord |
the line segment between two points on a given curve |
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Acute Angle |
an angle less than 90 degrees but more than 0 |
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Intersecting Line Segments |
line segments that cross each other |
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Square |
a rectangle having all four sides of equal length |
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Pentagon |
a polygon with 5 sides and 5 angles |
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Right Triangle |
a triangle with one internal angle equal to 90 degrees |
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Vertex |
the intersection point of two sides of a plane |
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Scalene Triangle |
a triangle having three unequal sides |
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Equilateral Triangle |
a triangle having all sides equal and all angles equal |
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Right Angle |
a 90 degree angle |
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Perpendicular Line Segments |
two line segments which cross to form 90 degree angles |
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