Jawaban:
314cm²
Penjelasan dengan langkah-langkah:
r = d/2 = 20/2 = 10cm
luas lingkaran
= πr²
= 3,14×10cm×10cm
= 314cm²
jadi, luas lingkaran tersebut adalah 314cm²
D = 20 cm
j = 20/2 = 10 cm
L = π × r²
= 3,14 × 10²
= 3,14 × 100
= 314 cm³
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Jawaban:
314cm²
Penjelasan dengan langkah-langkah:
r = d/2 = 20/2 = 10cm
luas lingkaran
= πr²
= 3,14×10cm×10cm
= 314cm²
jadi, luas lingkaran tersebut adalah 314cm²
D = 20 cm
j = 20/2 = 10 cm
L = π × r²
= 3,14 × 10²
= 3,14 × 100
= 314 cm³