A cuboid has height 10 cm, width 10 cm and length 20 cm. Find the length of the diagonal.

Question

What is the formula of cuboid?

Answer 1

hi Isabel-

 

How's the lovely weather in New York?  85 here =P

 

Anyways...

 

diagonal = sqrt(x² + y² + z²)

 

so in this case sqrt(100 + 100 + 400) = 24.49cm