Is the number 30?
(Extra words because I can't post without them)
Answer:
c = 41 ft
Step-by-step explanation:
To solve this problem, we can use the pythagorean theorem, which is defined by the formula
. We are given both the lengths of the legs, so all we need to do is to plug them both in and solve for c:

This is the first option.
3 by 2 by 4
volume =24 (units)
4 by 5 by 5
volume= 100(units)