Formulas- Perimeters, Areas, Surface Areas, and Volumes Flashcards by Crystal Jarquin

Q

PERIMETER of RECTANGLE

A

2a + 2b/ add all sides together

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Q

PERIMETER of a TRIANGLE

A

a + b + c/ add all sides

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Q

PERIMETER of SQUARE

A

4s or add all sides

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Q

PERIMETER of PARALLELLOGRAM

A

2a+2b/ add all sides together.

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Q

PERIMETER of TRAPEZOID

A

a + b + c + d / add all sides together

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Q

AREA of TRIANGLE

A

1/2bh

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Q

AREA of RECTANGLE

A

ab or lw

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Q

AREA of SQUARE

A

s squared

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Q

AREA of PARALLELOGRAM

A

bh

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Q

AREA of TRAPEZOID

A

1/2(a + b)h or 1/2(b1 + b2)h

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Q

AREA of N-GON

A

1/2rP

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Q

PERIMETER of N-GON

A

ns

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Q

CIRCUMFERENCE of CIRCLE

A

2pir

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Q

AREA of CIRCLE

A

pirsquared

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Q

VOLUME of TRIANGLE

A

1/3bh

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Q

VOLUME of RECTANGLE

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A

Lwh

Q

VOLUME of SQUARE

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A

scubed

Q

VOLUME of PARALLELOGRAM

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A

bhtimeshow thick

Q

VOLUME of TRAPEZOID

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A

1/2(b1 + b2)h times how thick

Q

VOLUME of CIRCLE

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A

4/3pircubed

Q

Area

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A

Measurement of sides of a 2D object

Q

Perimeter

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A

Distance around object

Q

Surface area

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A

Surface measure of an object

Q

Volume

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A

Amount of space inside an object.

SURFACE AREA of CUBE

6ssquared

VOLUME of CYLINDER

(pirSQUARED)h

SURFACE AREA of CYLINDER

2(pirSQUARED) + (2pir)h

SURFACE AREA of CONE

pirSQUARED + pir[hSQUARED + rSQUARED]* | *square root

VOLUME of CONE

1/3(pirSQUARED)h