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Verified answer
Diket : L = 300cmP = 25cm
dit : keliling =?
jwb. keliling = 2. (P+L)
= 2. (25+300)
= 2. (325)
= 650cm
300 cm² = 25 cm x lebar
lebar = 300 : 25
lebar = 12 cm
Keliling = 2 x (panjang + lebar)
= 2 x (25 + 12)
= 2 x 37
= 74 cm
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