A little bit of maths Flashcards
mastery (10 cards)
1
Q
What is the volume of a sphere?
A
V = 4/3 πr^3
2
Q
What is the surface area of a sphere?
A
A = 4 πr^2
3
Q
What is the volume of a cone?
A
V = πr^2 h/3
4
Q
What is the surface area of a cone?
A
A = πr(r+l) (l is the hypoteneuse)
5
Q
What is the volume of a pryamid?
A
V = (area of base)*height/3
6
Q
What is the surface area of a pyramid?
A
A = (area of base) + (1/2Pl)
7
Q
What is the area of a trapezium?
A
(A + B *H)/2
8
Q
What is the area of a rhombus/kite?
A
(L*H)/2
9
Q
What is the volume of a cylinder?
A
V = (πr^2) h
10
Q
What is the surface area of a cylinder?
A
A = 2πr² + 2πrh