JAWABAN
Diketahui :
- Jari-jari = 7 cm
Ditanya :
- Luas Juring ?
Dijawab :
→ Luas Juring «
→ L Juring = ¼ × π × r²
→ L Juring = ¼ × ²²/7 × 7 cm × 7 cm
→ L Juring = ¼ × 22 × 7 cm
→ L Juring = ¼ × 154 cm²
→ L Juring = 38,5 cm²
Kesimpulan :
- Jadi, luas juring lingkaran tersebut adalah 38,5 cm²
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Luas juring
= ¼ luas lingkaran
= ¼ × 22/7 × 7 × 7
= ¼ × 22 × 7
= ¼ × 154
= 38,5 cm²
[answer.2.content]
