A person stands on level ground 60 m from the nearest point of a cylindrical tank of radius length 20 m. Calculate: a- the circumference of the tank
b the percentage of the circumference that is visible to the person.

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Ответ:

abbygreen

21.03.2021

Mathematics

4x² 4y²

Step-by-step explanation:

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A person stands on level ground 60 m from the nearest point of a cylindrical tank of radius length 20 m. Calculate: a- the circumference of the tank b the percentage of the circumference that is visible to the person.