3 years ago

How many square feet is 75,480 square centimeters? (Round to the nearest tenth) *

1 answer:

3 0

Answer:

70123214.6cm^2

Step-by-step explanation:

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Radius of 1 button = r = 3x

Fabric required to cover 1 button = Area of the circle

= $\pi r^{2}$

= $\pi (3x)^{2}$

= $9\pi x^{2}$

Total number of buttons = x

Fabric required to cover 1 button = $9\pi x^{2}$

Fabric required to cover x buttons = $x(9\pi x^{2} )$

$=9\pi x^{3}$

Hence, fabric required to cover x buttons $=9\pi x^{3}$ sq. units

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lutik1710 [3]

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