– - – - – - –
L = π × r²
L = 3,14 × (24 ÷ 2)²
L = 3,14 × 12²
L = 3,14 × 144
L = 452,16 cm²
K = 2 × π × r
K = 2 × 3,14 × (24 ÷ 2)
K = 2 × 3,14 × 12
K = 2 × 37,68
K = 75,36 cm
lingkaran memiliki 24 diameter
maka tentukanlah luas dan kelilingnya ?
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– - – - – - –
L = π × r²
L = 3,14 × (24 ÷ 2)²
L = 3,14 × 12²
L = 3,14 × 144
L = 452,16 cm²
K = 2 × π × r
K = 2 × 3,14 × (24 ÷ 2)
K = 2 × 3,14 × 12
K = 2 × 37,68
K = 75,36 cm
– - – - – - –
Pembahasan :
Diketahui :
lingkaran memiliki 24 diameter
Ditanya :
maka tentukanlah luas dan kelilingnya ?
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Penyelesaian:
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