Question

If the scale factor of Figure A to Figure b is 3:8 find the value of x

Answer 1

To find the scale factor you divide each side of triangle B into corresponding side in triangle A, as follow:

`\begin{gathered} (\Delta B)/(\Delta A) \\ \\ (10)/(25)=(2)/(5) \\ \\ (8.6)/(21.5)=(2)/(5) \\ \\ (4)/(10)=(2)/(5) \end{gathered}`

Then, the scale factor of figure B to figure A is 2:5 (Each 2units of triangle B correspond to 5 units in triangle A)