A bedroom is rectangular. The distance on the picture is 3cm wide and 4cm long. What is the actual area? The scale is 1:100
Actual length: 3 * 100 = 300 (CM) actual width: 4 * 100 = 400 (CM) actual area: 300 * 400 = 120000 (cm2)
Actual length: 3 * 100 = 300 (CM) actual width: 4 * 100 = 400 (CM) actual area: 300 * 400 = 120000 (cm2)