Question

A triangle, whose area is 12 cm', is transformed
under enlargement about a point in space. If the area
of its image is 108 cm", find the scale factor of the
enlargement
(ICSE)
​

Answer 1

Answer:

Step-by-step explanation: let K be enlargement factor. Area of image =k²×area of triangle ie..... 108=k²×12.

108÷12=k²

9=k²

3=k