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Tems11 [23]
2 years ago
15

The new cylinder can has radius of 5cm and a height of 9cm how many square centimeters of aluminum will it take to make this new

cylinder can ?
Mathematics
1 answer:
m_a_m_a [10]2 years ago
7 0

Answer: 282.85\ cm^2

Step-by-step explanation:

Given

Radius of cylinder r=5\ cm

The height of the cylinder is h=9\ cm

The surface area of a cylinder is 2\pi rh

If only the outer is considered then, the area required is

\Rightarrow A=2\times \dfrac{22}{7}\times 5\times 9\\\\\Rightarrow A=282.85\ cm^2

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