Penjelasan dengan langkah-langkah:
L jalan setapak
L = 22/7 × (20+1)² - 3,14×20×20
L = 22 × 3 × 21 - 3,14 × 400
L = 1.386 - 1.256
L = 130 m²
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Verified answer
Penjelasan dengan langkah-langkah:
L jalan setapak
L = 22/7 × (20+1)² - 3,14×20×20
L = 22 × 3 × 21 - 3,14 × 400
L = 1.386 - 1.256
L = 130 m²