Jawab:
Penjelasan dengan langkah-langkah:
S1 = 11 + 2.5 = 21 cm
(5 didapat dari teorema phytagoras 13²-12²)
L trapesium = (s1+s2) × t : 2
= 21+11 × 12 : 2
= 16 × 12
= 192 cm²
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Jawab:
Penjelasan dengan langkah-langkah:
S1 = 11 + 2.5 = 21 cm
(5 didapat dari teorema phytagoras 13²-12²)
L trapesium = (s1+s2) × t : 2
= 21+11 × 12 : 2
= 16 × 12
= 192 cm²