• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/12

Click to flip

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;

12 Cards in this Set

  • Front
  • Back
area of a parallelogram
A = bh

where:
b is the base
h is the height
area of a triangle
A = ½ bh

where:
b is the base
h is the height
area of a trapezoid
A = ½ h(b₁ + b₂)

where:
b₁ and b₂ are the bases
h is the height
area of a rhombus
A = ½ d₁ d₂

where d₁ and d₂ are the diagonals

Example: A = ½ (AC)(BD)
area of congruent figures
equal areas
apothem
(define)
the segment from the center of a regular polygon perpendicular to a side of the polygon
apothem of an regular n-gon
(calculate)
a = ½ s / tan(360 / n)

where:
a is the apothem
s is the length of a side
area of a regular polygon
A = ½ Pa

where:
P is the perimeter
a is the apothem
area of a circle
A = πr²

where r is the radius
irregular figure
a figure that cannot be classified into the shapes we've studied
area of a region
the sum of the areas of it nonoverlapping parts
irregular polygon
a polygon that is not regular