What might be symbolized by the word bridge in this line from the poem? till the bridge you will need, be form’d—till the ductile anchor hold;

the second sentence is a great revision in my opinion. that would be a great topic.

explanation:

we know that, volume of a rectangular prism is given by :

✿   {length × width × height}

given : the length of rectangular prism = 5.5

given : the width of rectangular prism = 6

given : the height of rectangular prism = 3

⇒ the volume of given rectangular prism = {5.5 × 6 × 3}

⇒ the volume of given rectangular prism = 99