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Mapel : Matematika
Tentang :
- Skala
- Bangun Datar
Pertanyaan yg diajukan : 1
Pembahasan :
Diketahui :
- Skala (S) : 1 : 200
- Diameter (d) : 4 cm
- Jari - Jari (r) : 4/2 = 2 cm
Ditanya :
- Luas Sebenarnya
Cara :
• Jari - Jari Sebenarnya :
• Luas Sebenarnya :
L = 3,14 x 4 x 4
L = 12,56 x 4
L = 50,24 m²
Jadi, Luas Sebenarnya adalah 50,24 m²
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