Mathematics for IGCSE & O level - Scale Drawings (Section 2 - No. 29)
A rectangle has dimensions 2 cm by 3 cm on a scale drawing. If the scale is 1 cm = 4 m, what is the actual area?
24 m²
48 m²
96 m²
144 m²
설명
2 cm * 4 m/cm = 8 m, 3 cm * 4 m/cm = 12 m. Area = 8m * 12 m = 96 m²