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Why the answer question now correct

Why the answer question now correct-example-1

1 Answer

4 votes

Answer:

461.58 in²

Explanation:

The surface area (A) is calculated as

A = area of base + area of curved surface

= πr² + πrl ( r is the radius of base and l is slant height )

= 3.14 × 7² + 3.14 × 7 × 14

= 3.14 × 49 + 3.14 × 98

= 3.14(49 + 98)

= 3.14 ×147

= 461.58 in²