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A Quadrilateral with 4 sides and 4 right angles.
in a plane, the set of all points equidistant from a given point
A straight path that goes without end in two directions.
Part of a line that has one end point and goes in one direction without end.
Part of a line with two end points.
Two rays with the same end point.
An angle that is 90 degrees (It makes a square in the corner).
Line segments of a polygon.
The point where two sides meet. (Shared end points of the line segments of a polygon.)
A polygon with 4 sides and 4 angles.
a parallelogram with four equal sides and equal opposite angles.
A plane figure with the same size and shape.
A plane figure that can be folded along a line so the two parts match.
line of symmetry
The line that divides two matching parts. It can be vertical, horizontal, or diagonal.
The distance around a geometric figure.
the surface; Length x Width
A solid shape that has: 6 faces (4 rectangles & 2 squares), 8 vertices (corners), and 12 equal edges.
A solid shape that has: 6 square faces all equal in size, 8 vertices (corners), and 12 equal edges.
A solid shape that is perfectly round like a ball. No faces, edges, or vertices.
A solid shape with a circular base and a curved surface that come to a point (vertex).
A solid shape with one curved surface and two congruent circular bases.
A solid shape with a polygon as a base and triangular faces that come to a point (vertex or apex)
measures the amount of space taken up by the object.
The flat surface of a 3D shape.
Where two surfaces join (intersect).
A flat surface.
a closed figure made by joining line segments where each line segment intersects exactly 2 others
A flat figure that can be closed or not closed.
The SAME SIZE and SAME SHAPE
When one half is a mirror image of the other half.
measurement of the distance between two points
Distance across from side to side
the number that is written with an exponent
The shortest distance between the base of a geometric figure and its top.
Two or more lines that meet at a common point.
An angle that measures LESS than 90 degrees.
An angle that measures MORE than 90 degrees
An angle that measures 180 degrees
The amount of turning between two lines meeting a common point.
A straight line passing through the centre of a circle to touch both sides of the circumference.
Instrument used for making circles.
From center to a point on the circle.
Angles opposite one another when two lines intersect.
Angles with equal measures are..
A line that intersects two or more lines.
A triangle with three acute angles.
A triangle with one obtuse angle.
A triangle with one right angle.
Triangle with a 90° angle
Triangle with 2 equal sides and 2 equal angles.
A triangle with no congruent sides
A quadrilateral which is a parallelogram with four right angles.
Figures that have the same shape, but not necessarily the same size.