Trig formulae

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Area of a circle
pi r^2
1 of 9
Area of a semi cirlce
0.5 pi r^2
2 of 9
Perimeter of a cricle
2 pi r
3 of 9
Area of sector (radians)
0.5 r^2 Ѳ
4 of 9
length of arc (radians)
r Ѳ
5 of 9
Number of radians in a complete circle
2 pi
6 of 9
area of a triangle
0.5 ab sinC
7 of 9
Area of a triangle within a sector
0.5 r^2 sin Ѳ
8 of 9
Area of segment within a sector
0.5 r^2(Ѳ-sinѲ)
9 of 9

Other cards in this set

Card 2

Front

Area of a semi cirlce

Back

0.5 pi r^2

Card 3

Front

Perimeter of a cricle

Back

Preview of the front of card 3

Card 4

Front

Area of sector (radians)

Back

Preview of the front of card 4

Card 5

Front

length of arc (radians)

Back

Preview of the front of card 5
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