PENYELESAIAN
12/2 = 6 cm
4 × π × r²
4 × 3,14 × 6²
4 × 3,14 × 6 × 6
4 × 3,14 × 36
4 × 113.04
452,16 cm²
Lp = 4 × Luas Lingkaran
Lp = 4 × π × r²
Lp = 4 × 3,14 × ( 12 cm ÷ 2 )²
Lp = 4 × 3,14 × 6 cm²
Lp = 4 × 3,14 × 6 cm × 6 cm
Lp = 4 × 3,14 × 36 cm
Lp = 4 × 113,04 cm
Lp = 452,16 cm²
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PENYELESAIAN
12/2 = 6 cm
4 × π × r²
4 × 3,14 × 6²
4 × 3,14 × 6 × 6
4 × 3,14 × 36
4 × 113.04
452,16 cm²
Lp = 4 × Luas Lingkaran
Lp = 4 × π × r²
Lp = 4 × 3,14 × ( 12 cm ÷ 2 )²
Lp = 4 × 3,14 × 6 cm²
Lp = 4 × 3,14 × 6 cm × 6 cm
Lp = 4 × 3,14 × 36 cm
Lp = 4 × 113,04 cm
Lp = 452,16 cm²