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Find the answer in terms of pie

Find the answer in terms of pie-example-1
User Samiksha
by
8.2k points

1 Answer

5 votes

Answer:

SA = 56π cm²

Explanation:

the surface area (SA) is calculated as

SA = area of 2 circular ends + area of curved surface

= 2πr² + 2πrh ( r is the radius and h the height )

here r = 4 and h = 3 , then

SA = 2π × 4² + 2π × 4 × 3

= 2π × 16 + 2π × 12

= 32π + 24π

= 56π cm²

User Beniutek
by
8.3k points

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