maths Flashcards
1
Q
area of a rectangle
A
l x w (length x width)
2
Q
area of a parallelogram
A
b x h (base x height)
3
Q
area of a triangle
A
0.5 x base x height
4
Q
area of a trapezium
A
0.5 (a+b)h (0.5 x (side x base) x height)
5
Q
volume of a cuboid
A
l x w x h (length x width x height)
6
Q
volume of a prism
A
area of a cross section x length
7
Q
volume of a cylinder
A
πr^h (pi x raduis^ x height)
8
Q
volume of a pyramid
A
1/3 x area of base x height
9
Q
speed
A
distance/time
10
Q
density
A
mass/volume
11
Q
pressure
A
force/area
12
Q
sine rule
A
a/sin a = b/sin b = c/sin c
13
Q
cosine rule
A
a^ = b^ + c^ - 2bccosA
14
Q
area of a triangle
A
1/2ab x sinc
15
Q
pythagoras theorem
A
a^+b^=c^
16
Q
sine
A
opp / hyp
17
Q
cosine
A
adj / hyp
18
Q
tangent
A
opp / adj
19
Q
quadratic equation
A
x=(-b±√(b^2-4ac)/2a
20
Q
circumference
A
πd
21
Q
area of a cirlce
A
πr^
