Surface Area, Volume and Capacity Flashcards
What is capacity
It is the internal volume
What is the cubiods volume
LBH
What is a a cuboids surface area>
2(lb+bh+hl)
What is a the volume of a cube?
Volume = edge^3
What is the surface area of a cube
6a^2
What is the area of 4 walls including doors and windows
2h(l+b)
What is the area of 1 wall?
lh
What is the area of the roof/floor
lb
What is the space occupied by a box?
Its ext volume
What is the volume of the material that makes up the box
Ext vol - Int vol
What are the measurements of a closed box?
Int L = L-2x
Int B = B-2x
Int H = H-2x
What is the area of the cross section of a cylinder
πr^2
What is the perimeter of the cross section of a cylinder
2πr
What is the curved surface area of a cylinder
2πrh
What is the total surface area of a cylinder?
2πr(h+r)