Jawaban:
270cm²
Penjelasan dengan langkah-langkah:
a.sudut BOC=80°
sudut AOB=180°-80°=100°
luas AOB=60CM²
luas AOC=(100/80)60
=1.24x60cm²
=75cm²
luas lingkaran=(360°/80°)60cm²
=270cm²
maaf kalau salah
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LUAS JURING AOB
= 100/80 X 60
= 75 cm²
80/360 x Luas Lingkaran = 60 cm²
Luas Lingkaran = 270 cm²
Jawaban:
270cm²
Penjelasan dengan langkah-langkah:
a.sudut BOC=80°
sudut AOB=180°-80°=100°
luas AOB=60CM²
luas AOC=(100/80)60
=1.24x60cm²
=75cm²
luas lingkaran=(360°/80°)60cm²
=270cm²
maaf kalau salah