area & perimeter Flashcards by Lucy Grimmond

Q

what is the area

A

area inside of a shape

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Q

area of rectangle/square

A

length x width

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Q

area of triangle

A

base x height ÷ 2

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Q

area of parallelogram

A

base x height

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Q

area of a trapezium

A

top + bottom
——————– x height
2

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Q

area of a circle

A

pie x radius squared

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Q

circumference of a circle

A

pie x diameter

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Q

Size of one interior angle

A

Find exterior angle

Take away from 180

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