Answer:
Step-by-step explanation:
When a ceiling fan is turned on it sweeps out a circle. That means that this question is asking us to find the area of the circle with a radius of 25 inches.
[tex]A=\pi r^2[/tex] is the area of a circle. If the radius is 25 inches and pi is 3.14, then
[tex]A=(3.14)(25)^2[/tex] and
A = 3.14(625) so
A = 1962.5 inches square.
In terms of pi, the area is
A = 625π
The area covered by the motion of the fan blades when turned on is 625π².
In order to solve the question, were going to use the formula for area of a circle which will be:
= πr²
Therefore, the solution will be:
= πr²
= (25)²π
= 625π
Therefore, the area covered by the motion of the fan blades when turned on is 625π.
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