Matematika

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tlong jawb no 22,23,24,25,26 plis soalny bsk di kumpul pakek caraaa
tlong jawb no 22,23,24,25,26 plis soalny bsk di kumpul pakek caraaa

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1 Jawaban

  • 22. Keliling = 2 × ( p + l ) = 2 × ( 48 + 36 ) = 2 × 84 = 168 cm ( a )
    23. 48 cm : 4 = 12 cm
          Luas = 12 × 12 = 144 cm² ( b )
    24. 1/4 × 3,14 × 40² = 1.256 cm² ( d )
    25. luas trapesium + luas 1/2 lingkaran = 1/2 × ( 28 + 20 ) × 10 + 1/2 × 3,14 × 10² = 240 + 157 = 397 cm² ( a )
    26. 22/7 × 21 × Rp 125.000,00 = Rp 8.250.000,00 ( c )

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