Tolong besok MTK sosjskwwkked
luas kolam ikan
= (1/4 x πr²) + (1/2 x π x 1²)
= (1/4 x 3,14 x 2²) + (1/2 x 3,14 x 1²)
= 3,14m² + 1.57cm²
= 4,71m²
luas taman tanpa kolam
= 3,14 x 2² - 4,71m²
= 12,56m² - 4,71m²
= 7,85m²
biaya pembuatan kolam
4,71m² x 25.000 = 117.750
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