Question

Find the surface area of the cone. Use 3.14 for π.

Answer 1

S.A. = 138.16

Explanation:

S.A. = πrl+πr²

3.14 x 4 = 12.56

12.56 x 7 =87.92

3.14 x 4 = 12.56

12.56 x 4 = 50.24

87.92 + 50.24 = 138.16

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