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

Sagot :

Answer:

250π or 785.4 ft³

Step-by-step explanation:

Formula:

Lateral Area: 2πrh

Area(open- top cylinder): πr²

Surface Area: 2πrh + 2 πr²

= 2π(5)(20)+2π(5)²

= 250π or 785.4 ft³

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