Transcript Ebony Fails. PowerPoint - simmons-ED508

Geometry
A Presentation of Lines and Shapes
Presented By: Ebony Fails
line
A line is the straight path connecting two points and
extending beyond the points in both directions
line segment
All points between two given points
(including the given points themselves).
ray
A part of a line starting at a particular point
and extending infinitely in one direction.
right angle
A carpenter’s
square forms a right
angle
A right angle is a 90° angle
acute angle
An angle that is less than 90°
obtuse angle
An angle that has measure more than 90° and less
than 180°.
intersecting lines
Intersecting line are lines that cross each other.
parallel lines
Lines that do not cross or touch are parallel.
perpendicular lines
Lines that meet at a point and form 90° angles.
Cone
A three dimensional figure with a single base tapering
to an apex.
Cylinder
An object or shape with straight sides and
circular ends of equal size.
rectangular prism
A solid (3-dimensional) object which has six
faces that are rectangles. It is a prism because
it has the same cross-section along a length.
Sphere
A globe similar to the shape of a circle.
Pyramid
A polyhedron with a polygonal base and
lateral faces that taper to an apex.
cube
A regular polyhedron for which all faces
are squares.
The End
Thank you!
Ebony