1103162606

Level: 
Project ID: 
1103162606
Accepted: 
1
Clonable: 
0
Easy: 
0
The figure below shows two semicircles \( \widehat{AB} \) and \( \widehat{DA} \). Find the dilation scale factor if you know that the semicircle \( \widehat{DA} \) is the image of the semicircle \( \widehat{AB} \) in dilation with the centre \( C \).
\( -0.5 \)
\( 0.5 \)
\( -0.25 \)
\( 0.75 \)