Asked by JEHSHDZ
A 60m long bridge has an opening in the middle and both sides open up to let boats pass underneath. The two parts of the bridge floor rise up to a height of 18 m. Through what angle do they move?
Answers
Answered by
Steve
Draw a diagram. You will see that
sinθ = 18/30
Extra credit: How wide a ship can pass through the opening?
sinθ = 18/30
Extra credit: How wide a ship can pass through the opening?
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