Therefore, a scale factor of \(\frac{1}{2}\) means that the side-lengths of the new shape are half the side-lengths of the original. When the scale factor is fractional and the shape decreases in ...

You have to multiply this by a scale factor of 4. 2 × 4 = 8 The enlarged triangle has a height of 8 squares. The length of the first triangle was 1 square. You have to multiply this by a scale ...