L = π × r²
L = 3,14 × [100/2]²
L = 3,14 × 50²
L = 3,14 × 50[50]
L = 3,14 × 2.500
L = 7.850 cm²
diameter lingkaran (d) = 100 cm
Luas lingkaran (L) = ... cm²
--
L = 3,14 × (100 ÷ 2)²
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Q. [9/10]
L = π × r²
L = 3,14 × [100/2]²
L = 3,14 × 50²
L = 3,14 × 50[50]
L = 3,14 × 2.500
L = 7.850 cm²
diameter lingkaran (d) = 100 cm
Luas lingkaran (L) = ... cm²
--
L = π × r²
L = 3,14 × (100 ÷ 2)²
L = 3,14 × 50²
L = 3,14 × 2.500
L = 7.850 cm²
ᵖᵃᵖᵃʸ