Mathematics for IGCSE & O level - Transformations (Section 5 - No. 43)
What happens to the area of a shape when it is enlarged by a scale factor of 2?
It remains the same
It doubles
It quadruples
It is halved
คำอธิบาย
The area changes by the square of the scale factor, so 2^2 = 4, or quadrupled.