The leaning tower of Pisa and trigonometric ratio

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The leaning tower of Pisa and trigonometric ratio
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Describe the leaning tower of Pisa

• the leaning tower of Pisa with cathedrals
• Began building in 1172 and completed in 1350
• Completed covering a 177 year period

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Describe the leaning tower of Pisa

• 8 storied building, the height is 55m
• It leans by 5.25m from the vertical line of the
  top
• The average annual gradient wide is 1mm and
  leaned by 0.4mm during the last one year

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• What is the angle of gradient and what is the
  height of this tower?

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The trigonometric ratio of the leaning tower
of Pisa

• segment AB55m, BH5.25m in the right triangle
  ABH
• What is
• angle BAH(x) and height AH ?

B
H