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Topic 9 - Lines, Angles, and Shapes
Math - Topic 9
is an exact location in space
is a straight path of points that goes on and on in two directions
is an endless flat surface
pass through the same point
are lines that form square corners
is a part of a line with two endpoints
is a part of a line that has one endpoint and continues on forever in one direction
is a figure formed by two reays that have the same endpoint. Angles are given special names depending upon their size.
an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines
is open less than a right angle
is open more than a right angle but less than a straight angle
forms a straight line
angles are usually measure in this units
a tool that is used to measure and draw angles
is a closed plane figure made up of line segments. Each line segment is a side.
The point where two sides meet.
Has 3 equal sides
Has 2 equal sides
0 equal sides
has three acute angles. All of its angles measure less than a right angle.
has one obtuse angel. One angle has a measure greater than right angle.