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what is the surface of the cylinder tank if its radius is 5 ft. and its height is 20 ft. ?​

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250π or 785.4 ft³

Lateral Area: 2πrh

Area(open- top cylinder): πr²

Surface Area: 2πrh + 2 πr²

= 2π(5)(20)+2π(5)²

= 250π or 785.4 ft³

Step-by-step explanation:

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