Answer:
10.44'
Step-by-step explanation:
Given the box dimension :
3' * 3' * 10'
The length of the longest flagpole can be obtained using Pythagoras :
a² + b² = c²
Where, c = hypotenus = Longest side
a = 3 ` b = 10
c² = 3² + 10²
c² = 9 + 100
c² = 109
c = sqrt(109)
c = 10.44
