8.2.5 Practice

Quadrilateral ABCD is dilated with center (0,0), taking B to B¹.

Draw A¹B¹C¹D¹.

Triangles B and C have been built by dilating Triangle A.

Find the center of dilation.(Show your work)

Triangle B is a dilation of A with approximately what scale factor? (Short Answer)

Triangles B and C have been built by dilating Triangle A.

Triangle A is a dilation of B with approximately what scale factor? (Short Answer)

Triangles B and C have been built by dilating Triangle A.

Triangle B is a dilation of C with approximately what scale factor? (Short Answer)

Here is a triangle.

Draw the dilation of triangle ABC, with center (0,0), and scale factor 2. Label this triangle A¹B¹C¹.

Here is a triangle.

Draw the dilation of triangle ABC, with center (0,0) , and scale factor \frac{1}{2}. Label this triangle A¹¹B¹¹C¹¹.

Here is a triangle.

Is A¹¹B¹¹C¹¹ a dilation of triangle A¹B¹C¹?

Triangle ABC is a right triangle, and the measure of angle A is 28^o.

What are the measures of the other two angles?