3 Flashcards
1
Q
Tan
A
0/a
2
Q
Sin
A
0/h
3
Q
Cos
A
A/h
4
Q
Cos rules
A
C2=a2+b2-2abcosC
5
Q
Area of tringle
A
0.5xbxcxsinA
6
Q
Volume of pyramid
A
1/3x base area x height
7
Q
Area of circle
A
R2xpie
8
Q
Circumference
A
Circumference = dxpie
9
Q
Exterior angles of polygons add up to ?
A
360
10
Q
Formula for the sum of the interior angles for a polygon
A
N-2x180. N=number of sides
11
Q
In ven diagrams what does a u b mean
A
A or b
12
Q
What does a n b mean
A
A and b
13
Q
The and rule
A
Times value together
14
Q
The or rule
A
+ values together
15
Q
Histogram to work out frequency
A
Frequency = frequency density x class width
