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Year 8 Mathematics > Formulas > Flashcards

Flashcards in Formulas Deck (9)
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1

Parabola

y=x squared

2

Circumference

πd or 2πr where d is diameter and r is radius

3

Arc

Q/360 x2πr where Q is the sector angle

4

Area

πr squared

5

Area of a sector

Q/360 xπr squared

6

Volume of a cylinder

πr squared h

7

Triangle angle sum

180 degrees

8

Exterior angle of a triangle

The sum of the two interior opposite angles

9

Angle sum of a quadrilateral

360 degrees