[tex]\pi \: r {}^{2} [/tex]
[tex]jadi \: r = 7.5cm[/tex]
[tex]luas = 3.14 \times 7.5 \times 7.5 = 176.625cm {}^{2} [/tex]
Jawab:
luas = 176.625 cm
Penjelasan dengan langkah-langkah:
diket
r = 7,5 cm
ditanya
luas lingkaran
penyelesaian
luas = π.r.r
luas = 3,14.7,5.7,5
luas = 3,14 . 56,25
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Verified answer
PENYELESAIAN
[tex]\pi \: r {}^{2} [/tex]
[tex]jadi \: r = 7.5cm[/tex]
[tex]luas = 3.14 \times 7.5 \times 7.5 = 176.625cm {}^{2} [/tex]
[tex]by \: star97[/tex]
Jawab:
luas = 176.625 cm
Penjelasan dengan langkah-langkah:
diket
r = 7,5 cm
ditanya
luas lingkaran
penyelesaian
luas = π.r.r
luas = 3,14.7,5.7,5
luas = 3,14 . 56,25
luas = 176.625 cm