Mathematics for IGCSE & O level - Similarity (Section 2 - No. 8)
If the area of a square is doubled, what is the effect on the side length?
The side length is doubled.
The side length is multiplied by √2.
The side length is divided by √2.
The side length is quadrupled.
Forklaring
The area scale factor is 2. Length scale factor =√2