Jawab:
L= 1/2 × ( Alas + Sisi Atas ) × Tinggi
= 1/2 × ( 50 + 26 ) × 9
= 1/2 × 76 × 9
= 38 × 9
= 342 cm2
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Jawab:
L= 1/2 × ( Alas + Sisi Atas ) × Tinggi
= 1/2 × ( 50 + 26 ) × 9
= 1/2 × 76 × 9
= 38 × 9
= 342 cm2