Jawaban:
a. 190 π cm²
Penjelasan dengan langkah-langkah:
L = 2 × π × r × ( r + t )
L = 2 × π × 5 × ( 5 + 14 )
L = 2 × π × 5 × 19
L = 190 π cm²
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Jawaban:
a. 190 π cm²
Penjelasan dengan langkah-langkah:
L = 2 × π × r × ( r + t )
L = 2 × π × 5 × ( 5 + 14 )
L = 2 × π × 5 × 19
L = 190 π cm²