Mathematics, 19.03.2020 18:56 maddie53116
The total area of 333 blades of a fan is \dfrac{5}{2}\pi\,\text{m}^2 2 5 πm 2 start fraction, 5, divided by, 2, end fraction, pi, start text, m, end text, squared. Two of the blades form an angle of 30\degree30°30, degree and the third blade forms an angle of 40\degree40°40, degree at the center.
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The total area of 333 blades of a fan is \dfrac{5}{2}\pi\,\text{m}^2 2 5 πm 2 start fraction, 5, di...
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