Mathematics CXC 2011
Transcript of Mathematics CXC 2011
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8/11/2019 Mathematics CXC 2011
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LIST OF FO U L E
Volumeof aprism
Volumeofcylinder
Volume
of
arightpy ramid
Circumference
Arc length
Area ofacircle
Area ofasector
Area of
trapezium
Rootsof quadraticequations
Trigonometricratios
Area of triangle
Sinerule
Cosineru le
Page2
v =
Ah whe
reA isthearea
of
across-sectionandh istheperpendicular
length.
v=n
rh
wherer istheradiusofthebaseandh istheperpendicularheight.
.
V = }Ah whereA is the a
rea
of thebase andh istheperpendicularheight.
C
=
2nr
wh ere
r
is theradi us
of
thecircle.
s
=
x
2nr where8 isthe anglesubtended bythearc,measuredin
360
degrees.
A = ttr where r isthe radiusofthecircle .
8
A =360 x
2
where
8 istheangle
of
the sector,measuredindegrees.
A
=
t a + b h wherea and b are the lengths
of
thepara llelsidesandh is
theperpendiculardistancebetweentheparallelside s.
I fax
2
+ bx + c = 0,
-b
.J
b
2
-
4ac
then x
= -
2a
sin
8 =
oppositeside
hypotenuse
Opposite
cos
8 =
adjacent side
hypotenuse Adjacent
tan8 = oppositeside
adjacent side
Area
of
II= 1bh whereb isthe length of theba seandh is
2
theperpendicu larheight
AreaofMBC
=
t ab sin C
r c a O
h
C
A
s
-a)
s
-b)
wheres
2