<p>Lebar = 3 cm</p><p>Panjang = 8 cm</p><p>Lebar sebenarnya = 12 m</p><p>Luas rumah = ...?</p><p>&nbsp;</p><p>Skala</p><p>Lebar : Lebar sebenarnya</p><p>&nbsp;3 cm : 12 m</p><p>&nbsp;3 cm : 1200 cm</p><p>&nbsp; &nbsp; &nbsp; &nbsp;3 : 1200</p><p>&nbsp; &nbsp; &nbsp; &nbsp;1 : 400</p><p>&nbsp;</p><p>Panjang sebenarnya = 8 × 400</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 3200 cm</p><p>Panjang sebenarnya = 32 m</p><p>&nbsp;</p><p>Luas rumah sebenarnya = 12 m × 32 m</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = <strong>384 m²</strong></p><p>&nbsp;</p><p><strong>Sehingga didapat luas rumah sebenarnya adalah 384 m²</strong></p>