Angles

Geometry Solids

Polygons

Triangles

Geometry Language

Two rays or line segments that share the same endpoint.

What is an angle?

A three dimensional figure that takes up space.

What is a solid?

A flat 2-dimensional figue made of two or more sides.

What is a polygon?

A polygon with three sides.

What is a 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 formed by a flat polygon used over and over.

What is a polyhedren?

A polygon 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.

What is a cube?

Any polygon with four sides.

What is a quadrilateral/quadangle?

A triangle that has two equal sides.

What is an isosceles triangle?

A point where two lines meet.

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 opposite sides parallel. Opposite angles are equal, too.

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 solid shaped like a ball.

What is a sphere?

A polygon with two sets of parallel lines.

What is a parallelogram?

A triangle with a 90 degree angle.

What is a right triangle?

Two lines that stay the same distance apart and never meet

What are parallel lines?