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Angles
Lines
2D Shapes
3D Shapes
Triangles
100
angle
What is a shape formed by two lines or rays diverging from a common point?
100
line
What is straight, has not thickness, and extends in both directions without end (infinitely)?
100
polygon
What is a plane shape with straight sides, connected end to end to form a closed shape?
100
sphere
What is a three-dimensional figure object shpeed like a ball?
100
triangle
What is a closed figure consisting of three line segments linked end-to-end?
200
acute angle
What is an angle that is less than 90 degrees?
200
line segment
What is a straight line which links two points without extending beyond them?
200
rectangle
What is a four-sided polygon with four right angles?
200
cone
What is a solid that has a circular base and a single vertex?
200
right triangle
What is a triangle with one right angle?
300
right angle
What is an angle that measures exactly 90 degrees
300
parallel lines
What are lines that lie in the same plane, and are the same distance apart over their entire length?
300
rhombus
What is a quadrilateral with all four sides equal in length?
300
cylinder
What is a solid that has two parallel circular bases connected by a curved surface?
300
isosceles triangle
What is a triangle which has two of its sides equal in length?
400
obtuse angle
What is an angle that is greater than 90 degrees?
400
perpendicular lines
What are lines that meet or cross and form right angles?
400
congruent
What is equal in size and shape?
400
prism
What is a solid with two congruent parallel faces?
400
equilateral triangle
What is a triangle which has all three of its sides the same length?
500
vertex
What is the common point at which two lines or rays are joined?
500
ray
What is a line that starts at a point and goes off in a particular direction in infinity?
500
trapezoid
What is a quadrilateral with one pair of parallel sides?
500
pyramid
What is a solid that has a base and three or more trianglular faces that meet at a point above the base?
500
scalene triangle
What is a triangle with all three sides with different lengths?