Jawaban:
251,2 cm²
Penjelasan dengan langkah-langkah:
L = πr²
5.024 = 3,14 x r²
r² = 5.024 : 3,14
r² = 1.600
r = √1.600
r = 40 cm
K = 2πr
= 2 x 3,14 x 40
= 251,2 cm²
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Jawaban:
251,2 cm²
Penjelasan dengan langkah-langkah:
L = πr²
5.024 = 3,14 x r²
r² = 5.024 : 3,14
r² = 1.600
r = √1.600
r = 40 cm
K = 2πr
= 2 x 3,14 x 40
= 251,2 cm²