Jawaban:
3696 cm²
Penjelasan dengan langkah-langkah:
L = π × r (r + s)
π = 22/7
r = 21 cm
s = 35
L = 22/7 × 21 (21 + 35)
L = 22/7 × 21 × 56
L = 22 × 3 × 56. (21 ÷ 7 = 3)
L = 66 × 56
L = 3696 cm²
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Jawaban:
3696 cm²
Penjelasan dengan langkah-langkah:
L = π × r (r + s)
π = 22/7
r = 21 cm
s = 35
L = 22/7 × 21 (21 + 35)
L = 22/7 × 21 × 56
L = 22 × 3 × 56. (21 ÷ 7 = 3)
L = 66 × 56
L = 3696 cm²
semoga bermanfaat