MEASUREMENT & DATA: calculate geometric quantities Flashcards
1
Q
U.S customary
A
inches
feet
yard
mile
2
Q
metric system
A
millimeter
centimeter
meter
kilometer
3
Q
perimeter
A
add lengths of all sides
4
Q
circumference
A
c =2(pi)r
c =(pi)D
5
Q
length of arc
A
c = 2(pi)r x central angle measure/360
6
Q
area
A
how much surface space something takes up
2d shapes
measured in sq units
7
Q
square
A
formula: A= l x l = 1 squared
8
Q
rectangle
A
formula: A= l x w
9
Q
triangle
A
formula: A= 1/2 x b x h
10
Q
parallelogram
A
formula: A= h x b
11
Q
trapezoid
A
formula: A= 1/2 x h x (b1 + b2)
12
Q
circle
A
formula: A= pi x r squared
13
Q
rhombus
A
formula: A= 1/2 x d1 x d2
14
Q
volume
A
how much space a 3d shape takes up
15
Q
rectangular prism
A
v= l x w x h
16
Q
triangular prism
A
v= (b x h x l) / 2
17
Q
cylinder
A
v= pi r squared h
18
Q
cone
A
v= (pi r squared h) / 3
19
Q
rectangular pyramid
A
v= (l x w x h) / 3
20
Q
sphere
A
v= 4/3 pi r squared
