Answer:

87.92cm²

Step-by-step explanation:

Formula:( pi × r × s ) + ( pi × r × r) wherein

pi=3.14 r=radius s=slant height

=( pi × r × s) + ( pi × r ×r)

=(3.14 × 4cm × 3cm) + ( 3.14 × 4cm × 4cm)

=37.68cm² + 50.24cm²

=87.92cm²

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