Mathematics for IGCSE & O level - Scale Drawings (Section 1 - No. 40)
If a scale drawing uses the scale 1 cm to 2 m, and an object's length is 5 cm on the drawing, what is the actual length of the object?
2 m
5 m
10 m
20 m
คำอธิบาย
Multiply the drawing length by the scale factor to obtain the real length.