Homework Help: Math - gr.11

Posted by Mae on Monday, October 27, 2008 at 8:51pm.

A tunnel with a parabolic arch is 12m wide. If the height of the arch 4m from the left is 6m, can a truck that is 5m tall and 3.5m wide pass through the tunnel?

Can someone please help me with this? and could you show me steps how you got the answer, i don't understand the question. Thanks in advance!

Math - gr.11 - bobpursley, Monday, October 27, 2008 at 8:58pm
wouldn't the center 4m strip be at least 6m? to the right,and left, of that center area is a 4m width of lesser height. Draw a sketch.

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