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Verified answer
2)K persegi panjang
= 2 × ( p + l )
= 2 × ( 25 + 14 )
= 2 × ( 39 )
= 78 cm
K lingkaran
= 2 Π r
= 2 × 22/7 × 7
= 2 × 22
= 44 cm
Jadi, keliling bangun tersebut adalah
78 cm - 44 cm = 34 cm
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