Shapes and measurement Flashcards
1
Q
a^2 + b^2 = c^2
A
Pythagoras theorem
2
Q
Angle/ 360 X 2πr
A
Arc length
3
Q
2πr
A
Circumference
4
Q
Length X Width
A
Area of Rectangle
5
Q
1/2 base X height
A
Area of triangle
6
Q
a + b/2 X h
A
Area of trapezium
7
Q
Base X height
A
Area of parallelogram
8
Q
π r^2
A
Area of a circle
9
Q
angle/360 X π r^2
A
Area of an arc
10
Q
Area of uniform cross section X length
A
Volume of a prism
11
Q
Area of all faces added together
A
Total surface area
12
Q
2πr^2 + 2πrh
A
Surface area of a closed cylinder
13
Q
πr^2 + 2πrh
A
Surface area of an open cylinder
14
Q
2πrh
A
Surface area of a cylinder with both ends open
15
Q
Base area X height/3
A
Volume of a pyramid
