Jawaban:
=> p = 3l - 2
=> gunakan persamaan saja :
=> K = 52
=> 2 ( p + l ) = 52
=> 2 ( 3l - 2 + 1 ) = 52
=> 4l - 2 = 26
=> 4l = 28
=> l = 7 cm
=> p = 3 × 7 - 2 = 19
=> luas max = 19 × 7 = 133 cm² ( OPSI C )
Penjelasan dengan langkah-langkah:
done !
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Jawaban:
=> p = 3l - 2
=> gunakan persamaan saja :
=> K = 52
=> 2 ( p + l ) = 52
=> 2 ( 3l - 2 + 1 ) = 52
=> 4l - 2 = 26
=> 4l = 28
=> l = 7 cm
=> p = 3 × 7 - 2 = 19
=> luas max = 19 × 7 = 133 cm² ( OPSI C )
Penjelasan dengan langkah-langkah:
done !