keliling ↓
= ( 4 . 6 ) + ( 2 . 17 ) + ( 15 + 13 )
= ( 24 + 34 ) + 28
= 58 + 28
= 86 => B
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keliling ↓
= ( 4 . 6 ) + ( 2 . 17 ) + ( 15 + 13 )
= ( 24 + 34 ) + 28
= 58 + 28
= 86 => B