Areas and volumes Flashcards
1
Q
What is the area of a trapezium
A
Area= a+b/2 X h
2
Q
What is the area of a triangle
A
Area= 1/2 x base x height
3
Q
What is the area of a parallelogram
A
Area- base X height
4
Q
what is the area of a rhombus
A
Area= 1/2 X width X height
or
Area= 1/2 X diagonal X diagonal
5
Q
What is the area of a circle
A
Area =πr^squared
6
Q
What is the volume of a prism
A
Volume= Area of cross section X depth
7
Q
What is the volume of a cylinder
A
Volume=πr^squared X h
8
Q
What is the surface area of a sphere
A
Surface area =4πr^squared
9
Q
What is the surface area of a cylinder
A
Surface area=2πrh+2πr^squared
10
Q
What is the volume of a sphere
A
4/3πr^cubed
11
Q
What is the volume of a cone
A
volume=1/3πr^squared X h
12
Q
What is the volume of a pyramid
A
Volume=1/3 X area of base X height
13
Q
What is the surface area of a cone
A
πrl+πr^squared
