Jawaban:
L = 60√34 cm²
Penjelasan dengan langkah-langkah:
t = √(20 cm)² + (12 cm)²
= √400 cm² + 144 cm²
= √544 cm²
= 4√34 cm
L = a · t
= 15 cm · 4√34 cm
= 60√34 cm² ≈ 349,857... cm²
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Jawaban:
L = 60√34 cm²
Penjelasan dengan langkah-langkah:
t = √(20 cm)² + (12 cm)²
= √400 cm² + 144 cm²
= √544 cm²
= 4√34 cm
L = a · t
= 15 cm · 4√34 cm
= 60√34 cm² ≈ 349,857... cm²