Square
4 equal sides. 90 degree angles.
Rectangle
A parallelogram that has 4 right angles.
Quadrilateral
4-sided polygon
Right Angle
90 degree angle
Triangle
3-sided polygon
parallelogram
4-sided quadrilateral. 2 pairs of parallel lines
parallel lines
lines that will never intersect
trapezoid
4-sided quadrilateral. 1 pair of parallel lines
rhombus
A parallelogram with all equal sides.
polygon
a closed figure made up of 3 or more line segments.
kite
A quadrilateral with no parallel sides with the adjacent sides being equal.
Quadrangle/Quadrilateral
Examples of _____________ are diamond, kite, parallelogram, square, rectangle, rhombus, and trapezoid.
Parallelogram
Examples of a _________________ are square, rectangle, rhombus, and diamond.
Rectangle/Square
Examples of a _______________ are rectangle, rhombus, and square (not diamond).
Rhombus
Examples of a _______________ are rhombus, diamond, square, and rectangle.
Trapezoid
A ____________ is a lonely polygon.
Equal
Means congruent.
Parallelogram
A quadrangle that has two sets of parallel sides.
Rectangle
A parallelogram that has four right angles.
Square
A rectangle with all equal sides.
Rhombus
A parallelogram with al equal sides.
Trapezoid
A quadrilateral that has only one set of parallel sides.
Kite
A quadrangle with no parallel sides and with the adjacent sides being equal.
Addend
5 <-----
+ 6 <-----
_____
11
Subtrahend
9
- 5 <-------
______
4
Minuend
9 <------
-5
_____
4
Sum
5
+6
_____
11 <-----
Difference
9
- 5
_____
4 <------
Polygon
An enclosed figure with straight sides.
Rectangle
A quadrilateral that has 2 sets of parallel sides and 4 right angles.
Square
A quadrilateral that has 2 sets of parallel sides, 4 right angles, and 4 congruent sides.
Rhombus
A quadrangle with 4 congruent sides and 2 sets of parallel sides.
Trapezoid
A quadrangle with one set of parallel sides.
Perpendicular
Two lines that intersect to form a right angle.
Congruent
Means equal.
Regular
A polygon with all equal sides.
Quadrangle/Quadrilateral
A 4 sided polygon.
supplementary
The sum of ___________ angles is exactly 180 degrees.
complementary
The sum of __________ angles is exactly 90 degrees.
acute
_________ angles are less than 90 degrees.
obtuse
_________ angles are greater than 90 degrees.
standard form
Example: 34,678
word form
Example: thirty-four thousand, six hundred seventy-eight.
expanded form
Example: 30,000 + 4,000 + 600 + 70 + 8
angle
two rays that share the same vertex
line
a straight path that extends infinitely in opposite directions
line segment
a straight path with joining two points, which are called endpoints.
right angle
A ___________ is exactly 90 degrees.
ray
a straight path that starts at one endpoint and continues forever in one direction.
pentagon
5 sides
hexagon
6 sides
heptagon
7 sides
octagon
8 sides
nonagon
9 sides
decagon
10 sides
dodecagon
12 sides