3D Objects Flashcards
1
Q
How many faces, vertices and edges does a cuboid have?
A
6 faces, 8 vertices, 12 edges
2
Q
What is the total surface area of a cuboid?
A
2LH + 2LW + 2HW
3
Q
What is the volume of a cuboid?
A
LWH
4
Q
What is the diagonal of a cuboid?
A
D^2 = L^2 + W^2 + H^2, due for Pythagorean theorem
5
Q
Volume of a cylinder
A
Pir^2height
6
Q
Total surface area of a cylinder
A
2Pir*h
7
Q
Diagonal of a cylinder?
A
Using Pythagorean theorem: d^2 = r^2 + h^2
