= 2 × π × r ( r + t )
= 2 × 22/7 × 14 ( 14 + 15 )
= 88 × 29
= 2.552 cm²
[tex]\huge\color{cyan}{MATH}[/tex]
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penyelesaian :
= 2 × π × r ( r + t )
= 2 × 22/7 × 14 ( 14 + 15 )
= 88 × 29
= 2.552 cm²
[tex]\huge\color{cyan}{MATH}[/tex]