Question

If a triangle, with one of its side 12 cm, is reduced by a scale factor of $\frac{1}{3}$, then find the length of the corresponding side of the new triangle.

• A. 4 cm
• B. 48 cm
• C. 3 cm
• D. 7 cm

Answer 1

The correct option is A

4 cm

Triangle is reduced by scale factor $\frac{1}{3}$

Then, the side whose length in the original triangle was 12 cm, will become 12 x $\frac{1}{3}$ = 4 cm in the new triangle.