Grade C Geometry. Formulae to remember Flashcards
1
Q
Area of a circle
A
pi time radius squared
2
Q
Area of a square / rectangle
A
length x width
3
Q
Area of a parallelogram
A
Base x perpendicular height
4
Q
Area of a rhombus
A
Base x perpendicular height
5
Q
Area of a triangle
A
Half base x perpendicular height
6
Q
Area of a kite
A
Half length x width
7
Q
Area of a trapezium
A
Half the sum of the parallel sides, times the height between them (are you singing yet?)
8
Q
Circumference of a circle
A
pi times diameter
9
Q
Perimeter of a shape
A
sum of all of the lengths of the sides
10
Q
Volume of a prism
A
Area of the end x length