Maths: Mensuration Formulas Flashcards
1
Q
Area of Square/Rectangle
A
area = length x width
2
Q
Area of Triangle
A
area = base x height x ½
3
Q
Area of Parallelogram/Rhombus
A
area = base x height
4
Q
Area of Trapezium
A
area = (a + b) x height x ½
5
Q
Area of Circle
A
πr^2
6
Q
Area of Semicircle
A
πr^2 x ½
7
Q
Perimeter of Semicircle
A
πr + 2r
7
Q
Perimeter of Circle
A
2πr
8
Q
Perimeter of Quadrant
A
(πr x ½) + 2r
9
Q
Volume of Square/Rectangle
A
volume = length x width x height
10
Q
TSA of Square
A
TSA = 6 x (Length x Width)
11
Q
TSA of Rectangle
A
TSA = 2( L x W + L x W + L x W)
12
Q
Volume of Prism
A
volume = area of cross section x height
13
Q
TSA of Prism
A
TSA = (2 x area of cross section) + (perimeter x height)
14
Q
Volume of Cylinder
A
volume = (πr^2) x height