Diketahui:
d = 3 m
r = d/2 = 3/2 = 1,5 m
Ditanya:
L = ... m²
Jawaban:
L = π × r × r
= 3,14 × 1,5 × 1,5
= 3,14 × 2,25
= 7,065 m²
r= 3 m ÷ 2
r = 1,5 m
L= 3.14 × 1.5 m × 1.5 m
L= 4.71 m × 1.5 m
L= 7.065 m²
Jika diubah ke cm:
L= 7.065 cm² × 100
L= 706.5 cm²
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Diketahui:
d = 3 m
r = d/2 = 3/2 = 1,5 m
Ditanya:
L
= ... m²
Jawaban:
L
= π × r × r
= 3,14 × 1,5 × 1,5
= 3,14 × 2,25
= 7,065 m²
Penyelesaian Soal
r= 3 m ÷ 2
r = 1,5 m
L = π × r × r
L= 3.14 × 1.5 m × 1.5 m
L= 4.71 m × 1.5 m
L= 7.065 m²
Jika diubah ke cm:
L= 7.065 cm² × 100
L= 706.5 cm²
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