If sin theta= k sin beta prove that tan(theta-beta/2)=k-1/k+1 tan(theta+beta)2.

The triangles are similar. what is the value of x? x=

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?