Angles
Two rays or line segments that share the same endpoint.
What is an angle?
A flat face on a 3D shape (a solid).
What is a plane?
A flat 2-dimensional figure made of two or more closed sides.
What is a polygon?
A triangle with one side greater than 90 degrees (a right angle).
What is an obtuse triangle?
A straight line that has two end points.
What is a line segment?
An angle that is exactly 90 degrees.
What is a right angle?
A solid with only one plane.
What is a cone?
A quadrilateral where all side lengths and angle measures are the same.
What is a square?
A triangle that has all equal sides.
What is an equilateral triangle?
A straight line that goes in one direction forever starting from an end point.
What is a ray?
An angle that is less than 90 degrees.
What is an acute angle?
A six-faced solid with all the same face.
What is a cube?
Any polygon with four sides.
What is a quadrilateral?
A triangle that has two equal sides.
What is an isosceles triangle?
A point where two line segments meet on a shape.
What is a vertex?
An angle that is more than 90 degrees but less than 180.
What is an obtuse angle?
A 3-D figure made of four triangles and a square.
What is a pyramid?
A four-sided figure with equal sides that are parallel, but not all of the angles are the same.
What is a rhombus?
A triangle with no equal sides.
What is a scalene triangle?
Two lines that cross or meet.
What are intersecting lines?
An angle that is exactly 180 degrees so that it forms a straight line.
What is a straight angle?
A quadrilateral with two sets of parallel lines.
What is a parallelogram?
Two lines that stay the same distance apart and never meet
What are parallel lines?