Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
28 Cards in this Set
- Front
- Back
|
perimeter |
continuous line forming a boundary of a closed figure
|
|
|
area
|
extent or measurement of a surface
|
|
|
base
|
the lowest part or edge of something
|
|
|
height
|
the measurement from base to top
|
|
|
diameter
|
straight line passing from side to side through the center of a circle or sphere
|
|
|
radius
|
a straight line from the center to the circumference of a circle or sphere
|
|
|
circumference
|
enclosing boundary of a curved geometric figure
|
|
|
pi
|
the sixteenth letter of the Greek alphabet 😁
|
|
|
coordinate plane
|
plane determined by a horizontal number line
|
|
|
leg
|
the two sides that form a right angle in a right triangle
|
|
|
hypotenuse
|
the longest side of a right triangle
|
|
|
transformation
|
moves the points of a figure in a plane
|
|
|
preimage
|
original figure prior to transformation
|
|
|
image
|
new position after transformation
|
|
|
reflection
|
a plane or line reflected over the y axis
|
|
|
rotation
|
the act of rotating around an axis or center
|
|
|
translation
|
moves an object a fixed distance on a graph
|
|
|
rectangle - perimeter
|
p=2(l+w)
|
|
|
rectangle - area
|
a=wl
|
|
|
square - perimeter
|
p= 4a
|
|
|
square - area
|
a=a^2
|
|
|
triangle - perimeter
|
p=a+b+c
|
|
|
triangle - area
|
a=(BH)÷2
|
|
|
circle - circumference
|
c=2pi r
|
|
|
circle - area
|
a= pi r^2
|
|
|
midpoint formula
|
m= ( (x1+ x2)÷2 ( y1+ y2)÷2)
|
|
|
distance formula
|
|
|
|
Pythagorean theorem
|
a^2+b^2=c^2
|
