Higher Flashcards
1
Q
Volume of a sphere
A
4/3πr^3
2
Q
Surface area of a sphere
A
4πr^2
3
Q
Volume of a cone
A
1/3πr^2h
4
Q
Curved surface area of a cone
A
πrl
5
Q
Volume of a pyramid
A
(area of the base x perpendicular height) / 3
6
Q
Sine Rule
A
a/SinA = b/SinB = c/SinC
7
Q
Cosine Rule
A
a^2 = b^2 + c^2 -2bcCosA
8
Q
Area of a triangle
A
1/2abSinC
9
Q
Quadratic Equation
A
X = - b plus minus square root of b to the power 2 - 4 a c over 2 a
10
Q
Pythagoras
A
a^2+b^2=c^2
11
Q
compound interest
A
P(1+r/100)^n
