Vocabulary
What category does any 4-sided polygon belong in?
Quadrilateral
A right angle measures exactly ___ degrees.
90
The perimeter of a rectangle is found by adding up these measurements.
L+L+W+W
OR
The lengths of all four sides
This is the name for the horizontal line on a coordinate grid.
x-axis
What category does a closed shape with three or more straight sides belong to?
Polygons
An angle that is greater than 90° but less than 180° is called this.
Obtuse
The area of a rectangle is found using this formula.
LxW
OR
length x width
This is the name for the vertical line on a coordinate grid.
y-axis
What is a three-sided polygon?
This type of angle is less than 90°.
Acute
A square has a side length of 6 inches. What is its area?
36 in2
What is the proper way to write coordinates?
(x,y)
what is a four-sided polygon with opposite sides equal in length, but not all sides the same.
Rectangle
A right angle
A rectangle has a perimeter of 20 inches. If its width is 4 inches, what is its length?
6 inches
(0,0)
A shape with four sides, two pairs of equal-length sides, and one set of parallel sides.
A trapezoid
If I label lines as intersecting, they can form any angle BESIDES _________ because that would make them __________.
90 degrees, perpendicular
What is the third measurement we add to the area formula to calculate volume?
height
How would you write the coordinates for a point 4 up and 3 to the right of (0,0)