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Jawab:
L= π.r²
= 22/7.21.21
= 1.386 cm² -> C
32. diket: p= 34 cm, l= 14 cm, d= 14 cm, r=7 cm
dit: L
jawab:
L = L persegi panjang + ½ L lingkaran
= p.l + ½πr²
= 34.14 + ½.22/7.7.7
= 476 + 77
= 553 cm² -> D