1.1.9 Area Flashcards by Alex Hooker

Q

Area of a triangle?

A

Base x Height /2

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Q

Area of a trapezium?

A

1/2(a+b) x h

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Q

Area of a circle?

A

π x r²

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Q

Circumference of a circle?

A

π x D

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Q

Area of a sector?

A

π x r² x angle/360

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Q

Length of arc?

A

π x D x angle/360

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Q

What is 1 radian= to?

A

57.5 degrees.

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