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2D Shapes
Quadrilaterals
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3D Shapes
Geometry Vocabulary
100
A closed flat shape.
What is a polygon.
100
A quadrilateral that has all four sides equal in length, four right angles, and two sets of parallel lines.
What is square (rectangle).
100
The correct name for a square angle.
What is a right angle.
100
A solid shape with six congruent square faces. It has 12 edges and 8 vertices.
What is cube.
100
Two shapes that are the same but different sizes.
What is similar.
200
A polygon that has 5 sides, 5 angles, and 5 vertices.
What is a pentagon.
200
A polygon with four sides, four angles and four vertices. One pair of sides is parallel, the other pair of sides is not.
What is a trapezoid (trapezium).
200
An angle that is bigger than a right angle.
What is obtuse.
200
It has 5 faces, four side faces are triangles, the bottom face is a square. It has 5 vertices and 8 edges.
What is a square based pyramid.
200
When two shapes are the exact same shape and the exact same size.
What is congruent.
300
A polygon with three sides, three angles, and three vertices.
What is a triangle.
300
A quadrilateral with both pairs of opposite sides parallel and equal in length.
What is a parallelogram.
300
An angle that is smaller than a right angle.
What is an acute angle.
300
It has two flat faces, one on the top and the other on the bottom. It has one curved edge and no vertices.
What is a cylinder.
300
Two lines that are opposite each other that will never ever, ever, ever, ever, ever, ever, ever, ever touch.
What are parallel lines.
400
A polygon with eight sides, eight angles, and eight vertices.
What is an octagon.
400
A quadrilateral with all four sides equal in length, the correct name for a diamond.
What is a rhombus.
400
The measurement of this angle is 90 degrees.
What is a right angle.
400
It has one flat face, one vertex, and one curved edge.
What is a cone.
400
The name of a triangle that has one right angle.
What is a right triangle.
500
A polygon with ten sides, ten angles, and ten vertices.
What is a decagon.
500
A quadrilateral where opposite sides are parallel and congruent. It can be a square, but does not have to be a square.
What is a rectangle.
500
The number of degrees it takes to make a complete circle.
What is 360 degrees.
500
It has 6 faces, 8 vertices, and 12 edges. Two of its faces are squares, and the other four are rectangles.
What is a rectangular prism.
500
A line that can be drawn down the middle of a shape so that both sides are exactly the same.
What is a line of symmetry.