Geometryintherealworld 091209214857-phpapp01

By: Myranda Ozuna

2nd Block

Point: An undefined term in geometry, it names a location an has no size.

Line (Segment): A straight line which links two points without extending beyond them.

Plane: an undefined term in geometry, it is a flat surface that has no thickness an extends forever.

Angle: A figure formed by two rays with a common endpoint.

Perpendicular Lines: lines that intersect at 90° angles.

Parallel Lines: Lines that do not intersect.

Triangle: A three-sided polygon.

Right Triangle: A triangle with one right (90°) angle.

Pentagon: A five-sided polygon.

Hexagon: A six-sided polygon.

Square: A quadrilateral with four congruent sides an four congruent right (90°) angles.

Rectangle: A quadrilateral with four right (90°) angles.

Trapezoid: A quadrilateral with exactly one pair of parallel lines.

Parallelogram: A quadrilateral with two pairs of parallel lines.

Circle: The set of points in a plane that are a fixed distance from a given point called the center of a circle.

Cylinder: A three-dimensional figure with two parallel congruent circular bases and a curved lateral surface that connects the bases.

Sphere: The set of points in space that are a fixed distance from a given point called the center if the sphere.

Cube: A prism with six square faces.

Rhombus: A quadrilateral with four congruent sides, which is often called a diamond.

Decagon: A ten-sided polygon, which is often called a star.