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26-03-2016
Mathematics

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to the nearest hundredth of a meter how much did the restoration change the heght of the leaning tower of pisa?

to the nearest hundredth of a meter how much did the restoration change the heght of the leaning tower of pisa class=

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26-03-2016

Firstly, the height increased.
Before restoration the height was 56.84*cos(5.5°).
After restoration : 56.84*cos(3.99°).
The difference is :
56.84*cos(3.99°)-56.84*cos(5.5°)=56.84(cos(3.99°)-cos(5.5°))=56.84*0.0022=0.1239≈0.124 - the answer

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