Formulas Flashcards
1
Q
Calculating the formula fora trapezium
A
A = 1/2 x h x(a+b)
2
Q
Formula for a rhombus
A
A = 1/2 xy
3
Q
Area of a triangle
A
1/2 x b x h
4
Q
The probability of an event happening:
A
P(E) = I-P(E)
5
Q
Factorising:
A
HCF = highest common facotr
6
Q
Volume of prisms
A
V = Ah
7
Q
Solving equations…
A
LHS = RHS
8
Q
Ratio Do
A
= compare like terms
9
Q
Formula for finding the area of a parallelogram
A
A = bh
10
Q
Circumference of a circle
A
C = Pi x d
11
Q
Arc length of a circle
A
L = (number)/360 x 2x Pi x radius
12
Q
Area of a circle
A
A = Pi r (squared)
13
Q
Area of the annulus
A
A = Pi (R(squared - r(squared))
14
Q
Area of the sector
A
A = (amount of degrees)/360 x Pi x r (squared)
15
Q
Volume of a cylinder
A
V = Pi x r(squared) x h V = Ah ( A = cross section)
