Points, Lines and Angles
What has no size and shows a location?
Point
Describe complementary angles.
2 angles that add up to 90 degrees.
What is the sum of a triangle?
180
What do all the sides in a quadrilateral equal?
360
What are the 3 types of symmetry?
Horizontal, vertical, and rotational.
What is a parallel line and a perpendicular line?
Parallel - 2 lines that never cross
Perpendicular- Lines that intersect to make a 90-degree angle
Define a supplementary angle.
2 angles that make up a straight line - 180 degrees.
Name the triangle with all equal sides.
Equilateral
Describe a polygon.
Closed shape with straight sides
How many lines of symmetry are in a rectangle?
2
Name the tool that measures angles.
Protractor
How many degrees are in a right angle?
90
Name the triangle with 2 equal sides.
Isosceles
Name a quadrilateral with two parallel sides.
Parallelogram
What types of symmetry are in a square?
Horizontal and Vertical
What is a vertex?
The point where the 2 angles meet.
How many degrees make up a full circle?
360
Name a triangle with no equal sides.
Scalene
Name a 5 sided polygon.
Pentagon
Name a shape with rotational symmetry.
EX: S
What is the difference between a ray, a line, and a line segment?
Ray - One end goes on infinitely
Line - Both ends go on infinitely.
Line Segment - Ending point on both ends of the line.
What is the difference between an acute and an obtuse angle?
Acute is smaller than 90 degrees, and obtuse is an angle over 90 degrees.
Which triangle has all acute angles?
Equilateral
Name a quadrilateral with only one pair of parallel sides.
Trapezoid
What is the order of rotation and angle of rotation for a circle?
Infinity, 0