MEASUREMENT & DATA: calculate geometric quantities Flashcards by Janet Garcia | Brainscape

Q

U.S customary

A

inches

feet

yard

mile

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Q

metric system

A

millimeter

centimeter

meter

kilometer

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Q

perimeter

A

add lengths of all sides

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Q

circumference

A

c =2(pi)r

c =(pi)D

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Q

length of arc

A

c = 2(pi)r x central angle measure/360

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Q

area

A

how much surface space something takes up

2d shapes

measured in sq units

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Q

square

A

formula: A= l x l = 1 squared

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Q

rectangle

A

formula: A= l x w

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Q

triangle

A

formula: A= 1/2 x b x h

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Q

parallelogram

A

formula: A= h x b

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Q

trapezoid

A

formula: A= 1/2 x h x (b1 + b2)

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Q

circle

A

formula: A= pi x r squared

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Q

rhombus

A

formula: A= 1/2 x d1 x d2

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Q

volume

A

how much space a 3d shape takes up

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Q

rectangular prism

A

v= l x w x h

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Q

triangular prism

A

v= (b x h x l) / 2

Q

cylinder

A

v= pi r squared h

Q

cone

A

v= (pi r squared h) / 3

Q

rectangular pyramid

A

v= (l x w x h) / 3

Q

sphere

A

v= 4/3 pi r squared