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The Leaning Tower of Pisa is 55.863 m tall and leans 3.9 m from the perpendicular, as shown below - Junior Cycle Mathematics - Question 16 - 2014

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Question 16

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The Leaning Tower of Pisa is 55.863 m tall and leans 3.9 m from the perpendicular, as shown below. The tower of the Suurhusen Church in north-western Germany is 27.3... show full transcript

Worked Solution & Example Answer:The Leaning Tower of Pisa is 55.863 m tall and leans 3.9 m from the perpendicular, as shown below - Junior Cycle Mathematics - Question 16 - 2014

Step 1

Calculate the angle of tilt for the Leaning Tower of Pisa

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Answer

To find the angle of tilt, we can use the cosine function:

extcos(y)=adjacenthypotenuse=3.955.8630.0698 ext{cos}(y) = \frac{\text{adjacent}}{\text{hypotenuse}} = \frac{3.9}{55.863} \approx 0.0698

Using the inverse cosine to find the angle:

y=cos1(0.0698) 85.9967\begin{align*} y & = \cos^{-1}(0.0698)\ & \approx 85.9967^{\circ} \end{align*}

Step 2

Calculate the angle of tilt for the Suurhusen Church

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Answer

Using the same approach for the Suurhusen Church:

extcos(y)=2.4727.370.09024 ext{cos}(y) = \frac{2.47}{27.37} \approx 0.09024

Finding the angle:

y=cos1(0.09024) 84.8223\begin{align*} y & = \cos^{-1}(0.09024)\ & \approx 84.8223^{\circ} \end{align*}

Step 3

Compare the angles to determine which tower is more tilted

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Answer

The angles calculated are approximately:

  • Leaning Tower of Pisa: 85.996785.9967^{\circ}
  • Suurhusen Church: 84.822384.8223^{\circ}

Since the angle for the Suurhusen Church is smaller than that of the Leaning Tower of Pisa, it should be recognized as the Most Tilted Tower in the World.

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